Question

Calculate the molecular masses of:NaCl , CuSO4 , H2CO3 a​

Answer 1

Answer:

NaCl

Na = 23

Cl = 35

NaCl =58g/mol

CuSO4

Cu = 63

S = 32

O = 16 ×4

CuSO4 = 159g/mol

H2CO3

H= 1×2

C = 12

O = 16 × 3

H2CO3 = 62g/mol

hope this helps :)