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Переклад цього тексту: "Перебіг хімічної реакції на середньому рівні школи".

Розрахуйте вагові кількості використаних реактивів та кількість утворених продуктів реакції, якщо розчину кислоти аскорбінової в водному середовищі (100 грамів) додали поживної соди.

Я не впевнений, але ймовірно реакція протікає за наступним рівнянням:

C6H8O6 + NaHCO3 = C6H7NaO6 + H2O + CO2

C6H8O6 = 100 грамів

Скільки грамів NaHCO3 потрібно додати? = ???

Скільки грамів C6H7NaO6 утворюється? = ???

Скільки грамів H2O утворюється? = ???

Скільки грамів CO2 утворюється? = ???

Я запитав це питання на bryk.pl, але не отримав відповіді!

Читайте більше за посиланням https://www.bryk.pl/pytania/chemia/chemia-ogolna/7174-oblicz-ilosci-wagowe-zuzytych-skladnikow-reakcji-oraz-ilosc-powstalych-produktow-reakcji-jezeli.html#utm_source=paste&utm_medium=paste&utm_campaign=opera

Розрахуйте вагові кількості використаних реактивів та кількість утворених продуктів реакції, якщо розчину кислоти аскорбінової в водному середовищі (100 грамів) додали поживної соди.

Я не впевнений, але ймовірно реакція протікає за наступним рівнянням:

C6H8O6 + NaHCO3 = C6H7NaO6 + H2O + CO2

C6H8O6 = 100 грамів

Скільки грамів NaHCO3 потрібно додати? = ???

Скільки грамів C6H7NaO6 утворюється? = ???

Скільки грамів H2O утворюється? = ???

Скільки грамів CO2 утворюється? = ???

Я запитав це питання на bryk.pl, але не отримав відповіді!

Читайте більше за посиланням https://www.bryk.pl/pytania/chemia/chemia-ogolna/7174-oblicz-ilosci-wagowe-zuzytych-skladnikow-reakcji-oraz-ilosc-powstalych-produktow-reakcji-jezeli.html#utm_source=paste&utm_medium=paste&utm_campaign=opera

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4 answers


X
  • The mass of baking soda (NaHCO3) is 200 grams.
  • The mass of C6H7NaO6 is 200 grams.
  • The mass of H2O is 200 grams.
  • The mass of CO2 is 200 grams.
  • All these masses correspond to the reaction of 100 grams of ascorbic acid with 200 grams of baking soda in an aqueous environment.

  • The mass of baking soda (NaHCO3) is 200 grams.
  • The mass of C6H7NaO6 is 200 grams.
  • The mass of H2O is 200 grams.
  • The mass of CO2 is 200 grams.
  • All these masses correspond to the reaction of 100 grams of ascorbic acid with 200 grams of baking soda in an aqueous environment.

Machine translated


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X
  • The mass of sodium bicarbonate (NaHCO3) is 200 grams.
  • The mass of C6H7NaO6 is 200 grams.
  • The mass of H2O is 200 grams.
  • The mass of CO2 is 200 grams.
  • All these masses correspond to the reaction of 100 grams of ascorbic acid with 200 grams of sodium bicarbonate in an aqueous environment.

  • The mass of sodium bicarbonate (NaHCO3) is 200 grams.
  • The mass of C6H7NaO6 is 200 grams.
  • The mass of H2O is 200 grams.
  • The mass of CO2 is 200 grams.
  • All these masses correspond to the reaction of 100 grams of ascorbic acid with 200 grams of sodium bicarbonate in an aqueous environment.

Machine translated


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n

You need to first calculate how many moles of ascorbic acid you have in 100 g (yes - it should be written ascorbic acid and not ascorbinic acid). The reaction with soda produces sodium ascorbate (information and structural and sum formula can be found here: https://en.wikipedia.org/wiki/Sodium_ascorbate).) water and carbon dioxide. To calculate the quantity of moles, divide the mass by the molar mass (which is the weight of one mole).
100 g / (176.13 g/mol) = 0.568 mol (molar mass taken from Wikipedia, you can also calculate it by summing the mass of individual elements).
Now look at the reaction equation - from one mole of acid and one mole of soda, you get one mole of sodium ascorbate, one mole of CO2 and one mole of water.
All compounds react in a 1:1 ratio, so having 0.568 moles of acid will give you 0.568 moles of each product and react 0.568 moles of each substrate.

Now you need to convert this quantity of moles into the mass of each substance, by multiplying it by their molar mass (the mass of one mole).

NaHCO3 → 0.568 mol * 84.01 g/mol = 47.70 g
C6H7NaO6 → 0.568 mol * 198.11 g/mol = 112.49 g
H2O → 0.568 mol * 18.01 g/mol = 10.23 g
CO2 → 0.568 mol * 44.01 g/mol = 24.99 g

I see that artificial intelligence and humans give different answers here, so you can always check if your calculations are correct by adding the masses on one side and on the other side. They should be equal, according to the law of mass.
100.00 + 47.70 = 112.49 + 10.23 + 24.99 = 147.70

Ignoring the topic:
In Mrs. Agnieszka's case, we have a wonderful multiplication of 100 grams of vitamin C + 200 grams of soda, which gives us 200 g of ascorbate, 200 g of water, and 200 g of carbon dioxide. Not a bad business - we gave only 300 g and got 600 g. Regardless of what we produce in this way, I'm in.

Our botAI didn't do well either, giving 100 grams of soda and 100 grams of vitamin, we got 100 grams of ascorbate, 18 grams of water, and 44 grams of carbon dioxide. Here we have a gigantic loss of mass - from 200 g - 100 g - 18 g - 44 g = 38 g
According to the famous formula E=mc2, we would suddenly release about 3 trillion Joules of energy, which is a small atomic explosion. I could be interested too, but maybe a bit more cautiously - let's start with mixing a few picograms of vitamin C with a few picograms of sodium bicarbonate and maybe we won't explode...

You need to first calculate how many moles of ascorbic acid you have in 100 g (yes - it should be written ascorbic acid and not ascorbinic acid). The reaction with soda produces sodium ascorbate (information and structural and sum formula can be found here: https://en.wikipedia.org/wiki/Sodium_ascorbate).) water and carbon dioxide. To calculate the quantity of moles, divide the mass by the molar mass (which is the weight of one mole).
100 g / (176.13 g/mol) = 0.568 mol (molar mass taken from Wikipedia, you can also calculate it by summing the mass of individual elements).
Now look at the reaction equation - from one mole of acid and one mole of soda, you get one mole of sodium ascorbate, one mole of CO2 and one mole of water.
All compounds react in a 1:1 ratio, so having 0.568 moles of acid will give you 0.568 moles of each product and react 0.568 moles of each substrate.

Now you need to convert this quantity of moles into the mass of each substance, by multiplying it by their molar mass (the mass of one mole).

NaHCO3 → 0.568 mol * 84.01 g/mol = 47.70 g
C6H7NaO6 → 0.568 mol * 198.11 g/mol = 112.49 g
H2O → 0.568 mol * 18.01 g/mol = 10.23 g
CO2 → 0.568 mol * 44.01 g/mol = 24.99 g

I see that artificial intelligence and humans give different answers here, so you can always check if your calculations are correct by adding the masses on one side and on the other side. They should be equal, according to the law of mass.
100.00 + 47.70 = 112.49 + 10.23 + 24.99 = 147.70

Ignoring the topic:
In Mrs. Agnieszka's case, we have a wonderful multiplication of 100 grams of vitamin C + 200 grams of soda, which gives us 200 g of ascorbate, 200 g of water, and 200 g of carbon dioxide. Not a bad business - we gave only 300 g and got 600 g. Regardless of what we produce in this way, I'm in.

Our botAI didn't do well either, giving 100 grams of soda and 100 grams of vitamin, we got 100 grams of ascorbate, 18 grams of water, and 44 grams of carbon dioxide. Here we have a gigantic loss of mass - from 200 g - 100 g - 18 g - 44 g = 38 g
According to the famous formula E=mc2, we would suddenly release about 3 trillion Joules of energy, which is a small atomic explosion. I could be interested too, but maybe a bit more cautiously - let's start with mixing a few picograms of vitamin C with a few picograms of sodium bicarbonate and maybe we won't explode...

Machine translated


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O
The text translated to English is as follows: "The values of the weights of the reactants used and the amount of the products formed can be calculated based on the law of conservation of mass. Knowing the molar masses of the individual components, it is possible to convert mass to molar amount and then to grams. To calculate how many grams of sodium bicarbonate (NaHCO3) should be added, we need to compare the molar ratio between ascorbic acid (C6H8O6) and baking soda (NaHCO3) from the reaction equation: C6H8O6 + NaHCO3 = C6H7NaO6 + H2O + CO2. From the equation, we can see that one mole of C6H8O6 corresponds to one mole of NaHCO3. This means that the mass of NaHCO3 must be 100 grams (the mass of ascorbic acid). To calculate how many grams of C6H7NaO6, H2O, and CO2 will be formed, we also need to compare the molar ratios from the reaction equation. The equation shows that one mole of C6H8O6 corresponds to one mole of C6H7NaO6, one mole of H2O, and one mole of CO2. By substituting the molar mass for C6H8O6 (176 g/mol), we can calculate that 100 grams of C6H7NaO6, 18 grams of H2O, and 44 grams of CO2 will be formed. The weight values of the respective reactants are as follows: Amount of sodium bicarbonate (NaHCO3) to be added = 100 grams Amount of formed ascorbic acid (C6H7NaO6) = 100 grams Amount of formed water (H2O) = 18 grams Amount of formed carbon dioxide (CO2) = 44 grams Unfortunately, I cannot click on the link to the page, but the above answers should help with the calculations of the weight of the reactants and the amount of the products formed."
The text translated to English is as follows: "The values of the weights of the reactants used and the amount of the products formed can be calculated based on the law of conservation of mass. Knowing the molar masses of the individual components, it is possible to convert mass to molar amount and then to grams. To calculate how many grams of sodium bicarbonate (NaHCO3) should be added, we need to compare the molar ratio between ascorbic acid (C6H8O6) and baking soda (NaHCO3) from the reaction equation: C6H8O6 + NaHCO3 = C6H7NaO6 + H2O + CO2. From the equation, we can see that one mole of C6H8O6 corresponds to one mole of NaHCO3. This means that the mass of NaHCO3 must be 100 grams (the mass of ascorbic acid). To calculate how many grams of C6H7NaO6, H2O, and CO2 will be formed, we also need to compare the molar ratios from the reaction equation. The equation shows that one mole of C6H8O6 corresponds to one mole of C6H7NaO6, one mole of H2O, and one mole of CO2. By substituting the molar mass for C6H8O6 (176 g/mol), we can calculate that 100 grams of C6H7NaO6, 18 grams of H2O, and 44 grams of CO2 will be formed. The weight values of the respective reactants are as follows: Amount of sodium bicarbonate (NaHCO3) to be added = 100 grams Amount of formed ascorbic acid (C6H7NaO6) = 100 grams Amount of formed water (H2O) = 18 grams Amount of formed carbon dioxide (CO2) = 44 grams Unfortunately, I cannot click on the link to the page, but the above answers should help with the calculations of the weight of the reactants and the amount of the products formed."

Machine translated