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Uses of Hydrogen

When 15g of a...

Question

When 15g of a mixture of NACL and NA2CO3 is heatec with dil HCL 2.5g of CO2 is evolved at stp. Calculate % composition of the original mixture.

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4

N a H C O_{3}

N a C l

0.66

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4g of a mixture of Na₂CO₃and NaHCO₃ on heating liberates 448 mL of CO₂ at STP. The percentage of Na₂CO₃ in the mixture is?

N a H C O_{3}

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11.0

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

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

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N a_{2} C O_{3}

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