What is the molar mass for each of the followingcompounds?1.Li,SO;Cu(CIO2)2How many moles are in 2.23 x 10²' molecules ofbarium nitrite, Ba(NO,),?2.How many molecules are present in 0.027 moles ofcalcium phosphide, Ca,P2?2.What is the mass of 6.61 moles of copper (I) oxide,Cu,O?4.5.Calculate the number of moles of iron (II) phosphide,Fe,P, in a 142 g sample.

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Chemistry

What is the molar mass for each of the following compounds? 1. Li,SO, Cu(CIO,),

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section2.11: Molar Mass

Problem 2.15PSP

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

What is the molar mass for each of the following
compounds?
1.
Li,SO;
Cu(CIO2)2
How many moles are in 2.23 x 10²' molecules of
barium nitrite, Ba(NO,),?
2.
How many molecules are present in 0.027 moles of
calcium phosphide, Ca,P2?
2.
What is the mass of 6.61 moles of copper (I) oxide,
Cu,O?
4.
5.
Calculate the number of moles of iron (II) phosphide,
Fe,P, in a 142 g sample.

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