2.27 Show, with calculations, how the following data illustrate the law of multiple proportions: Compound 1: 77.6 mass % xenon and 22.4 mass % fluorine Compound 2: 63.3 mass % xenon and 36.7 mass % fluorine

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 3.3PAE
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Only question 27!
5264 kg of compound? How many grams of sulfur?
2.25 A compound of iodine and cesium contains 63.94 g of metal
and 61.06 g of nonmetal. How many grams of cesium are in 38.77 g
of compound? How many grams of iodine?
m-
of
2.26 Show, with calculations, how the following data illustrate the
law of multiple proportions:
Compound 1: 47.5 mass % sulfur and 52.5 mass % chlorine
Cempound 2: 31.1 mass % sulfur and 68.9 mass % chlorine
2.27 Show, with calculations, how the following data illustrate
the law of multiple proportions:
Compound 1: 77.6 mass % xenon and 22.4 mass % fluorine
Compound 2: 63.3 mass % xenon and 36.7 mass % fluorine
nd
Problems in Context
2.28 Dolomite is a carbonate of magnesium and calcium. Analysis
shows that 7.81 g of dolomite contains 1.70 g of Ca. Calculate the
mass percent of Ca in dolomite. On the basis of the mass percent
of Ca, and neglecting all other factors, which is the richer source
of Ca, dolomite or fluorite (see Problem 2.20)?
ne
ad
Transcribed Image Text:5264 kg of compound? How many grams of sulfur? 2.25 A compound of iodine and cesium contains 63.94 g of metal and 61.06 g of nonmetal. How many grams of cesium are in 38.77 g of compound? How many grams of iodine? m- of 2.26 Show, with calculations, how the following data illustrate the law of multiple proportions: Compound 1: 47.5 mass % sulfur and 52.5 mass % chlorine Cempound 2: 31.1 mass % sulfur and 68.9 mass % chlorine 2.27 Show, with calculations, how the following data illustrate the law of multiple proportions: Compound 1: 77.6 mass % xenon and 22.4 mass % fluorine Compound 2: 63.3 mass % xenon and 36.7 mass % fluorine nd Problems in Context 2.28 Dolomite is a carbonate of magnesium and calcium. Analysis shows that 7.81 g of dolomite contains 1.70 g of Ca. Calculate the mass percent of Ca in dolomite. On the basis of the mass percent of Ca, and neglecting all other factors, which is the richer source of Ca, dolomite or fluorite (see Problem 2.20)? ne ad
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