Concept explainers
Interpretation: Using the
Concept Introduction :
Atomic mass is the “average” of all atoms for an element. Molar mass is the total mass of all atoms in 1 mol of compound.
Answer to Problem 51A
1 will match with c.
2 will match with e.
3 will match with j.
4 will match with h.
5 will match with b.
6 will match with d.
7 will match with a.
8 will match with g.
9 will match with i.
10 will match with f.
Explanation of Solution
1 will match with ‘c’ as molybdenum (Mo) has atomic mass of 95.94 g.
2 will match with ‘e’ as atomic mass of lanthanum (La) is 138.9 g.
3 will match with ‘j’ as molar mass of carbon tetrabromide (CBr4) is
4 will match with ‘h’ as molar mass of mercury (II) oxide (HgO) is
5 will match with ‘b’ as molar mass of titanium (IV) oxide (TiO2)
6 will match with‘d’ as molar mass of manganese (II) chloride (MnCl2)
7 will match with ‘a’ as molar mass of phosphine (PH3)
8 will match with ‘g’ as molar mass of tin (II) fluoride (SnF2)
9 will match with ‘i’ as molar mass of lead (II) sulfide (PbS)
10 will match with ‘f’ as molar mass of copper (I) oxide (Cu2O)
The atomic or molar mass in column II is matched with column I.
Chapter 6 Solutions
World of Chemistry
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