only 28 please Calculate each of the following:(a) Mass fraction of Cl in calcium chlorate(b) Mass fraction of N in dinitrogen trioxideProblems in Context3.24 Oxygen is required for the metabolic combustion of foods.Calculate the number of atoms in 38.0g of oxygen gas, the amountabsorbed from the lungs in about 15 min when a person is at rest.8.25 Cisplatin (right), or Platinol, isused in the treatment of certain cancers.CI-Calculate (a) the amount (mol) of com-pound in 285.3 g of cisplatin; (b) thenumber of hydrogen atoms in 0.98 molof cisplatin.Pt -H-3.26 Allyl sulfide (below) gives garlic its characteristic odor. Cal-culate (a) the mass (g) of 2.63 mol of allyl sulfide; (b) the numberof carbon atoms in 35.7 g of allyl sulfide.HS-C-3.27 Iron reacts slowly with oxygen and water to form a compoundcommonly called rust (Fe,03-4H,O). For 45.2 kg of rust, calculate(a) moles of compound; (b) moles of Fe,O3; (c) grams of Fe.3.28 Propane is widely used in liquid form as a fuel for barbecuegrills and camp stoves. For 85.5 g of propane, calculate (a) molesof compound; (b) grams of carbon.3.29 The effectiveness of a nitrogen fertilizer is determinedmainly by its mass % N. Rank the following fertilizers, most ef-fective first: potassium nitrate; ammonium nitrate; ammoniumsulfate; urea, CO(NH2)2.

Given 85.5 g propane Mole = mass/ Molar mass

3.28 Propane is widely used in liquid form as a fuel for barbecue grills and camp stoves. For 85.5 g of propane, calculate (a) moles of compound; (b) grams of carbon. 3.29 The effectiveness of a nitrogen fertilizer is determined mainly hy its mass % N. Rank the following fertilizers, most ef-

3.28 Propane is widely used in liquid form as a fuel for barbecue grills and camp stoves. For 85.5 g of propane, calculate (a) moles of compound; (b) grams of carbon. 3.29 The effectiveness of a nitrogen fertilizer is determined mainly hy its mass % N. Rank the following fertilizers, most ef-

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter2: Atoms Molecules And Ions

Section: Chapter Questions

Problem 165SCQ

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only 28 please

Calculate each of the following:
(a) Mass fraction of Cl in calcium chlorate
(b) Mass fraction of N in dinitrogen trioxide
Problems in Context
3.24 Oxygen is required for the metabolic combustion of foods.
Calculate the number of atoms in 38.0g of oxygen gas, the amount
absorbed from the lungs in about 15 min when a person is at rest.
8.25 Cisplatin (right), or Platinol, is
used in the treatment of certain cancers.
CI-
Calculate (a) the amount (mol) of com-
pound in 285.3 g of cisplatin; (b) the
number of hydrogen atoms in 0.98 mol
of cisplatin.
Pt -
H-
3.26 Allyl sulfide (below) gives garlic its characteristic odor. Cal-
culate (a) the mass (g) of 2.63 mol of allyl sulfide; (b) the number
of carbon atoms in 35.7 g of allyl sulfide.
H
S-
C-
3.27 Iron reacts slowly with oxygen and water to form a compound
commonly called rust (Fe,03-4H,O). For 45.2 kg of rust, calculate
(a) moles of compound; (b) moles of Fe,O3; (c) grams of Fe.
3.28 Propane is widely used in liquid form as a fuel for barbecue
grills and camp stoves. For 85.5 g of propane, calculate (a) moles
of compound; (b) grams of carbon.
3.29 The effectiveness of a nitrogen fertilizer is determined
mainly by its mass % N. Rank the following fertilizers, most ef-
fective first: potassium nitrate; ammonium nitrate; ammonium
sulfate; urea, CO(NH2)2.

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