mol AB-016 A student was given a sample of hydrated Na2CrO4 (molar mass of anhydrous Na2CrO4. 162.0 g/mol). She determined the weight of the hydrated sample to be 2.58 heating the hydrate to drive off all the water of hydration, she determined the weight of the anhydrous salt to be 1.77 g. Calculate the formula of the hydrated salt (round to the nearest whole number of water molecules/mol). After g.

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Chapter1: Chemical Foundations
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AB-016
A student was given a sample of hydrated Na2CrO4 (molar mass of anhydrous Na2CrO4.
162.0 g/mol). She determined the weight of the hydrated sample to be 2.58
heating the hydrate to drive off all the water of hydration, she determined the weight of
the anhydrous salt to be 1.77 g. Calculate the formula of the hydrated salt (round to the
nearest whole number of water molecules/mol).
After
g.
Transcribed Image Text:mol AB-016 A student was given a sample of hydrated Na2CrO4 (molar mass of anhydrous Na2CrO4. 162.0 g/mol). She determined the weight of the hydrated sample to be 2.58 heating the hydrate to drive off all the water of hydration, she determined the weight of the anhydrous salt to be 1.77 g. Calculate the formula of the hydrated salt (round to the nearest whole number of water molecules/mol). After g.
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