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5 May, 04:02

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

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Answers (1)
  1. 5 May, 07:59
    0
    dа ta:

    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%
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