Question

calculate the molecular mass of the following : (i) H2O (ii) CO2 (iii) CH4​

Answer 1

Explanation:

1.molecular mass of H2O =2×1+16=18 g

2.molecular mass of CO2=12+2×16=12+32=44g

3.molecular mass of ch4

=12+4×1=16 g

hope it would be helpful to you ☺️☺️☺️

Answer 2

Answer:

H2O - 18

CO2 - 44

CH4 - 16

this is your answer