zoegrace74 zoegrace74

18-09-2018
Chemistry

contestada

What is the percent of H2O in a sample of a hydrate whose mass is 1.1290 g if the mass of water in the sample was 0.1660 g?

Respuesta :

29-09-2018

The hydrate contains 14.70 % H₂O by mass.

Mass % H₂O = mass of water/mass of hydrate × 100 %

= 0.1660 g /1.1290 g × 100 % = 14.70 %

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