Question

the number of moles of ch4 which contain 3.0 g of carbon
a)1
b)0.75
c)0.5
d)0.25

Answer 1

Answer:

d as molecular mass of c is 12 and given mass is 3 so mole = given mass / molar mass

Answer 2

Answer:

0.25

Explanation:

no of moles=?

mass=3.0g

Molar mass=12+4=16

3/16=0.25