contestada

What was the weight percent of water in the hydrate before heating?
Put answer in one decimal place.
weight of water 0.349
weight of hydrate 2.107

Respuesta :

Edufirst
Data:

weight of water before heating = 0.349

weight of hydrate before heateing = 2.107

Formula:

Weight percent of water = [ (weight of water) / (weight of the hydrate) ] * 100

Solution:

Weight percent of water = [ 0.349 / 2.107] * 100 ≈ 16.6 %

Answer: 16.6%