Gypsum is the hydrate of calcium sulfate, CaSO4 2 H20. It is the primary material in sheet rock, used to make walls in houses. a) How many atoms of all kinds are present in the formula for gypsum? b) On heating, how many moles of water should be driven off per mole of hydrate? c) Calculate the percent water in the hydrate.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter3: Equation, The Mole, And Chemical Formulas
Section: Chapter Questions
Problem 3.149QE
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Please help with b and c. Thank you!
Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H20. It is the primary material in
sheet rock, used to make walls in houses.
a) How many atoms of all kinds are present in the formula for gypsum?
b) On heating, how many moles of water should be driven off per mole of hydrate?
c) Calculate the percent water in the hydrate.
Transcribed Image Text:Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H20. It is the primary material in sheet rock, used to make walls in houses. a) How many atoms of all kinds are present in the formula for gypsum? b) On heating, how many moles of water should be driven off per mole of hydrate? c) Calculate the percent water in the hydrate.
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