Question

A mixture of na2co3 and mgco3 weighing 30g was heated till constant weight. The volume of CO2 evolved was found to be 5.6L at STP. The percentage of na2co3 in the mixture is
(1)65%
(2)48%
(3)70%
(4)30%​

Answer 1

70% is right answer

thanks!!!

Answer 2

Answer:70% is the right answer

Explanation: option 3