C. Calculate the number of atoms or molecules in each of the following samples. 19) 0.357 moles of potassium 2rms Of X-90| JONI DIT= 20) 2.93 moles of Ca 21) 473 moles of CuSO4 22) An 85.5-g sample of Hg in a barometer 23) A 0.251-g Ti metal heart valve 24) A 10.0-g sample of N₂O gas
C. Calculate the number of atoms or molecules in each of the following samples. 19) 0.357 moles of potassium 2rms Of X-90| JONI DIT= 20) 2.93 moles of Ca 21) 473 moles of CuSO4 22) An 85.5-g sample of Hg in a barometer 23) A 0.251-g Ti metal heart valve 24) A 10.0-g sample of N₂O gas
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.79PAE: 3.79 Consider two samples. Sample A contains 2 moles of N2 and 1 mole of O2, and Sample B contains 1...
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