The equations given below relate to the manufacture of sodium carbonate (molecular weight of Na₂CO₃ = 106).

Questions based on the production of 21.2 g of sodium carbonate.

To produce 33.6g of sodium hydrogen carbonate what volume of carbon dioxide, measured at STP, would be required?

6.50 dm³

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7.87 dm³

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8.96 dm³

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5.22 dm³

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9.30 dm³

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Solution

The correct option is C
8.96 dm³

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The equations given below relate to the manufacture of sodium carbonate (Molecular weight of Na₂CO₃ = 106).
NaCl + NH₃ + CO₂ + H₂O $\overset{}{\to}$ NaHCO₃ + NH₄Cl
2NaHCO₃ $\overset{}{\to}$ Na₂CO₃ + H₂O + CO₂
Questions (a) and (b) are based on the production of 21.2 g of sodium carbonate.
(a) What mass of sodium hydrogen carbonate must be heated to give 21.2 g of sodium carbonate (Molecular weight of NaHCO₃ = 84)?
(b) To produce the mass of sodium hydrogen carbonate, calculate what volume of carbon dioxide, measured at STP would be required?

The equation given below relate to the manufacture fo sodium carbonate (molecular weight of $N a_{2} C O_{3} = 106$ ).
1. $N a C l + N H_{3} + C O_{2} + H_{2} O \to N a H C O_{3} + N H_{4} C$
2. $2 N a H C O_{3} \to N a_{2} C O_{3} + H_{2} O + C O_{2}$
Equations (1) and (2) are based on the production of 21.2 g of sodium carbonate.
(a) What mass of sodium hydrogen carbonate must be heated to give 21.2 g of sodium carbonate?
(b) To produce the mass of sodium hydrogen carbonate calculated in (a) what volume of carbon dioxide, measured at STP, would be required?

The equations given below relate to the manufacture of sodium carbonate (molecular weight of Na₂CO₃ = 106).

Questions based on the production of 21.2 g of sodium carbonate.

What mass of sodium hydrogen carbonate must be heated to give 21.2 g of sodium carbonate (Molecular weight of NaHC0₃ = 84)?

Q. What mass of sodium carbonate,

N a_{2} C O_{3}

is needed to make 120 mL of a 1.5 M solution? (Given formula weight of sodium carbonate = 106 amu)

Q. Find out the weight of calcium carbonate that must be decomposed to produce sufficient quantity of carbon dioxide to convert 10.6gm of sodium carbonate completely into sodium bocarbonate.

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The equations given below relate to the manufacture of sodium carbonate (molecular weight of Na2CO3 = 106). Questions based on the production of 21.2 g of sodium carbonate. To produce 33.6g of sodium hydrogen carbonate what volume of carbon dioxide, measured at STP, would be required?

The correct option is C 8.96 dm3

The equations given below relate to the manufacture of sodium carbonate (molecular weight of Na₂CO₃ = 106).

Questions based on the production of 21.2 g of sodium carbonate.

To produce 33.6g of sodium hydrogen carbonate what volume of carbon dioxide, measured at STP, would be required?

The correct option is C
8.96 dm³