Question

1)Calcule as massas
a) CO
b) HF
c) H20
d) KOH

Answer 1

a) CO = 12 + 16 = 28 g/mol

b) HF = 1 + 19 = 20 g/mol

c) H2O = (2 . 1) + 16 = 18 g/mol

d) KOH = 39 + 16 + 1 = 56 g/mol

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