Question

¿CUAL ES LA COMPOSICIÓN PORCENTUAL DEL na2o? .

Answer 1

1. Calcular Mm del Na2O

Na: 2 x 23 = 46 g/mol

O: 1 x 16 = 16 g/mol

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Mm = 62 g/mol

Sodio

62 g ------ 100 %

46 g ------ x

x = 74.19 % Na

Oxígeno

62 g ------ 100 %

16 g ------ x

x = 25.80 % O