Concept explainers
Interpretation:
Given samples needs to be ranked based on least number of atoms to greatest number of atoms.
Concept introduction:
One mole compounds contains
Answer to Problem 188A
Number of atoms follows the following order.
0.5 mol Ag2S<1 mol H2<0.75 mol H2O<1.5 mol NaCl
Explanation of Solution
H2, NaCl, Ag2S and H2O are diatomic, diatomic, triatomic and triatomic molecules respectively.
Molecules in 1 mol H2=NA.
Atoms in 1 mol H2
Molecules in 1.5 moles NaCl
Atoms in 1.5 moles NaCl
Molecules in 0.5 mol Ag2S
Atoms in 0.5 mol Ag2S
Molecules in 0.75 mol H2O
Atoms in 0.75 mol H2O
Here, the value of
Thus, the NaCl will have maximum number of molecules and Ag2S has minimum number of molecules in the sample.
Samples are ranked as per least number of atoms to greatest number of atoms as follows:
0.5 mol Ag2S<1 mol H2<0.75 mol H2O<1.5 mol NaCl
Chapter 10 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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