Question

Calculate the amount of water produced by the combustion of 32g of mrthane

Answer 1

Combustion of methane is:

CH4 + 2O2 ➡️ CO2 + 2H2O

so,

16 gm methane corresponds to 2×18 gm water

So,

32 gm methane corresponds to x gm water

So, x = 32×2×18/16

= 72 gm water is your answer.