Question

what is the mass of 0.2 moles of calcium carbonate



please help​

Answer 1

100 I didn't know of it's right or wrong

Answer 2

Answer:

no.of moles= mass/molar mass

mass = no.of . moles ×molar mass

molar mass = CaCO3=40+12+3×16

=40+12++48

=100

so mass= 0.2×100

= 90.4