Question

calculate number of moles for 30gm of CaCO3​

Answer 1

Answer:

Explanation:

We will first calculate molecular mass of Caco3

Ca=40 gm/mol, c=12gm/mol, O2=3*16gm/mol

CaCO3=40+12+48

            =100gm/mol

moles = mass/molar mass

           =30/100

            =0.3