Asample of hydrated calcium sulfate has a mass of 2.643 g. after dehydration, the sample has a mass of 2.090 g. what is the percent by mass of water in the hydrate?
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a sample of hydrated iron (ii) chloride has a mass of 0.385 g. after dehydration, the sample has a mass of 0.245 g. what is the percent by mass of water in the hydrate?
%
a sample of hydrated magnesium chromate has a mass of 8.557 g. after dehydration, the sample has a mass of 5.211 g. what is the percent by mass of water in the hydrate?
%
Answers: 2
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As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
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How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2
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Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge
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Asample of hydrated calcium sulfate has a mass of 2.643 g. after dehydration, the sample has a mass...
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