12.5g of sodium bicarbonate on heating gives 3g co2. What is the % impurity in the sample?
Answers
Answered by
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
2
the answer for the given question is 8.4
Similar questions