Mr(CaCO3)=....?Mr(NH4C1)...?Mr(H3PO4)=...?

Question

Mr(CaCO3)=....?
Mr(NH4C1)...?
Mr(H3PO4)=...?

Answer 1

Mr(CaCO3)= 40+12+3•16=100
Mr(NH4Cl)= 14+4•1+35.5=53,5
Mr(H3PO4)= 3+31+4•16=98