Question

Determine a massa molecular:
a) NiO
b) CaCo3
c) H2SO4
d) Mg ( OH )2
e) Al2 ( SO4 )3


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Answer 1

a) NiO = (58,7+16)=47,7 g/mol
b) CaCo3 = (40+12+48)= 100 g/mol
c) H2SO4 (2+32+64) = 98 g/mol
d) Mg ( OH )2 =(24+32+2) = 58 g/mol
e) Al2 ( SO4 )3 = (53,96 + 96+192) = 341g/mol