Question

Calculate the modeculre masse of: NaCI , CuSo 4, H2CO3 and H2O ( atomic masses are given above)

Answer 1

na mass 23

cu mass 63.6

c mass 12

o mass 16

cl mass 35.5

s mass 32

h mass 1

na+cl 58.5

cu+s+o4 169.5

h2+o 18

h2+c+o3 62