Question

find the formula mass of CaSO4​

Answer 1

$\huge\fbox{\fbox{\fbox\blue{Answer}}}$

Formula unit mass of CaSO4.2H2O

= (Number Calcium atoms x atomic mass of Calcium) + (Number Sulphur atoms x atomic mass of sulphur) + (Number Oxygen atoms x atomic mass of Oxygen) + (Number Water molecules x Molecular mass of water molecule)

=(1×40)+(1×32)+(4×16)+(2×18)

=40+32+64+36

=172

Answer 2

Answer:

172u...

Explanation:

I think this one is right answer