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10 g mixture of NaHCO(3) and Na(2)CO(3) ...

`10 g` mixture of `NaHCO_(3)` and `Na_(2)CO_(3)` has `1.68 g NaHCO_(3)`.
It is heated at `400 K`. Weight of the residue will be

A

`9.38 g`

B

`8.32 g`

C

`10.0 g`

D

`1.68 g`

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_(2) CO_(3)` is not affected by heating `2NaHCO_(3) rarr Na_(2) CO_(3) + H_(2) O + CO_(2)`
Residue
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