Only question number 23! highlighting ISs ofrug'sainedntainomeExperiment 2: A second student heats 2.55 g of copper and 3.50 gof iodine to form 5.25 g of a white compound; 0.80 g of copperremains.2.20 Fluorite, a mineral of calcium, is a compound of the metalwith fluorine. Analysis shows that a 2.76-g sample of fluoritecontains 1.42 g of calcium. Calculate the (a) mass of fluorine inthe sample; (b) mass fractions of calcium and fluorine in fluorite;(c) mass percents of calcium and fluorine in fluorite.om-2.21 Galena, a mineral of lead, is a compound of the metal withsulfur. Analysis shows that a 2.34-g sample of galena contains2.03 g of lead. Calculate the (a) mass of sulfur in the sample;(b) mass fractions of lead and sulfur in galena; (c) mass percentsof lead and sulfur in galena.odsiteor2.22 Magnesium oxide (MgO) forms when the metal burns in air.(a) If 1.25 g of MgO contains 0.754 g of Mg, what is the mass ratioof magnesium to magnesium oxide?How many grams of Mg are in 534 g of MgO?2.23 Zinc sulfide (ZnS) occurs in the zincblende crystal structure.fa) If 2.54 g of ZnS contains 1.70 g of Zn, what is the mass ration;ESof zinc to zinc sulfide?(b) How many kilograms of Zn are in 3.82 kg of ZnS?2.24 A compound of copper and sulfur contains 88.39 g of metaland 44.61 g of nonmetal. How many grams of copper are in5264 kg of compound? How many grams of sulfur?2.25 A compound of iodine and cesium contains 63.94 g of metaland 61.06 g of nonmetal. How many grams of cesium are in 38.77 gof compound? How many grams of iodine?2.26 Show, with calculations, how the following data illustrate thelaw of multiple proportions:Compound 1:47.5 mass % sulfur and 52.5 mass % chlorineCempound 2: 31.1 mass % sulfur and 68.9 mass % chlorinethefollowing data illustrate

Answered: Image /qna-images/answer/a33cb5dd-ae69-4378-984e-80ef8dcf946a.jpg

Ya) If 2.54 g of ZnS contains 1.70 g of Zn, what is the mass ratio of zinc to zinc sulfide? (b) How many kilograms of Zn are in 3.82 kg of ZnS? 2.24 A compound of copper and sulfur contains 88.39 g of metal and 44.61 g of nonmetal. How many grams of copper are in 5264 kg of compound? How many grams of sulfur?

Ya) If 2.54 g of ZnS contains 1.70 g of Zn, what is the mass ratio of zinc to zinc sulfide? (b) How many kilograms of Zn are in 3.82 kg of ZnS? 2.24 A compound of copper and sulfur contains 88.39 g of metal and 44.61 g of nonmetal. How many grams of copper are in 5264 kg of compound? How many grams of sulfur?

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 69CP: You have two distinct gaseous compounds made from element X and element Y. The mass percents are as...

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Question

Only question number 23! highlighting

ISs of
rug's
ained
ntain
ome
Experiment 2: A second student heats 2.55 g of copper and 3.50 g
of iodine to form 5.25 g of a white compound; 0.80 g of copper
remains.
2.20 Fluorite, a mineral of calcium, is a compound of the metal
with fluorine. Analysis shows that a 2.76-g sample of fluorite
contains 1.42 g of calcium. Calculate the (a) mass of fluorine in
the sample; (b) mass fractions of calcium and fluorine in fluorite;
(c) mass percents of calcium and fluorine in fluorite.
om-
2.21 Galena, a mineral of lead, is a compound of the metal with
sulfur. Analysis shows that a 2.34-g sample of galena contains
2.03 g of lead. Calculate the (a) mass of sulfur in the sample;
(b) mass fractions of lead and sulfur in galena; (c) mass percents
of lead and sulfur in galena.
ods
ite
or
2.22 Magnesium oxide (MgO) forms when the metal burns in air.
(a) If 1.25 g of MgO contains 0.754 g of Mg, what is the mass ratio
of magnesium to magnesium oxide?
How many grams of Mg are in 534 g of MgO?
2.23 Zinc sulfide (ZnS) occurs in the zincblende crystal structure.
fa) If 2.54 g of ZnS contains 1.70 g of Zn, what is the mass ratio
n;
ES
of zinc to zinc sulfide?
(b) How many kilograms of Zn are in 3.82 kg of ZnS?
2.24 A compound of copper and sulfur contains 88.39 g of metal
and 44.61 g of nonmetal. How many grams of copper are in
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?
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
the
following data illustrate

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