Question

Convert in to mole
12 gm of 02 gas​

Answer 1

Answer:

Molar mass of O2 = 2 x 16 = 32 g

Number of moles in 12g O2 = Given mass/ Molar mass = 12/32 = 0.375 mole

Answer 2

Answer:

molecular mass of O2= 32g

mole of gas= total mass/molecular mass

= 12/32

= 3/8