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Concentration Terms - An Introduction (w/w etc)

How many gram...

Question

How many grams of calcium carbonate are required to produce enough carbon dioxide which can convert $0.5$ mole of sodium carbonate into sodium bicarbonate?
$C a C O_{3} ⟶ C a O + C O_{2}$
$N a_{2} C O_{3} + H_{2} O + C O_{2} ⟶ 2 N a H C O_{3}$

25

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50

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75

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100

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Solution

The correct option is B $50$ g
$C a C O_{3} ⟶ C a O + C O_{2}$
$1$ $1$ $1$
$0.5$ mol $0.5$ mol
$N a_{2} C O_{3} + H_{2} O + C O_{2} ⟶ 2 N a H C O_{3}$
$1$ $1$ $2$
$0.5$ mol $0.5$ mol $1$ mol
So, $50$ g of calcium carbonate is required to produce enough carbon dioxide.

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Similar questions

0.5

C a C O_{3} ⟶ C a O + C O_{2}

N a_{2} C O_{3} + H_{2} O + C O_{2} ⟶ 2 N a H C O_{3}

C a C O_{3}

21.2 g

N a_{2} C O_{3}

N a H C O_{3}

N a = 23 g/mol, C a = 40 g/mol

C a C O_{3} \to C a O + C O_{2}

N a_{2} C O_{3} + C O_{2} + H_{2} O \to 2 N a H C O_{3}

2 N a H C O_{3} \to N a_{2} C O_{3} + H_{2} O + C O_{2}

N a = 23, C = 12, H = 1, O = 16)

C a C O_{3}

N a_{2} C O_{3}

N a H C O_{3}

N a = 23

C a = 40

C a C O_{3} \to C a O + C O_{2}

N a_{2} C O_{3} + C O_{2} + H_{2} O \to 2 N a H C O_{3}

C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g)

C O_{2}

C a C O_{3}

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