Question

¿Cuál es la masa molecular de H2SO4; Na(OH): CaCo3?

Answer 1

Mm H2SO4

H: 2 x 1 = 2 g/mol
S: 1 x 32  = 32  g/mol
O: 4 x 16 = 64 g/mol
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          Mm = 98 g/mol

NaOH

Na: 1 x 23 = 23 g/mol
O: 1 x 16 = 16 g/mol
H: 1 x 1 = 1 g/mol
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         Mm = 40 g/mol

CaCO3

Ca: 1 x 40 = 40 g/mol
C : 1 x 12 = 12 g/mol
O: 3 x 16 = 48 g/mol
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        Mm = 100 g/mol