Chemistry, asked by nishanpatran, 11 months ago

12.5g of sodium bicarbonate on heating gives 3g co2. What is the % impurity in the sample?

Answers

Answered by Gardenheart65
5

2NaHCO3 = Na2CO3 + CO2 +H2O

168g 22400ml

22400 ml CO2 obtained by = 168 g of NaHCO3

300 ml CO2 obtained by = 168 x 300 /22400

=2.25 g

Percentage purity = 2.25 x 100 /2.5

= 90%

Answered by mansichaudhari66
2

the answer for the given question is 8.4

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