Question

Calculate the weight of the above attachment...​

Answer 1

Answer:

1. 0.02 moles of CH4

Molar mass = 12 + (1×4)

= 16 g/mol

Mass = no. of moles × molar mass

= 0.02 × 16

= 0.32 g

Similarity,

2. 22.5 g

3. 115 g

Hope you understood the anwer

Answer 2

answer is 3.115 g......