Concept explainers
(a)
Interpretation:
The formula for the compound that made from copper (I) and sulfate pairs of ions needs to be determined.
Concept introduction:
For a compound, molecular formula is the multiple of empirical formula.
Empirical formula is simplest ratio of atoms present in the compound.
Answer to Problem 133A
Formula of copper (I) sulfate is
Explanation of Solution
The given ions pair is copper (I) and sulfate. Copper (I) has +1 charge and sulfate has -2 charges. Two copper ions are required to balance the charge on sulfate. Thus the formula of copper (I) sulfate is
(b)
Interpretation:
The formula for the compound that made from tin (IV) and fluoride pairs of ions needs to be determined.
Concept introduction:
For a compound, molecular formula is the multiple of empirical formula.
Empirical formula is simplest ratio of atoms present in the compound.
(b)
Answer to Problem 133A
Formula of tin (IV) and fluoride is
Explanation of Solution
The given ions pair is tin (IV) and fluoride. Tin (IV) has +4 charge and fluoride has -1 charge. Thus the formula of tin (IV) and fluoride is
(c)
Interpretation:
The formula for the compound that made from gold (III) and cyanide pairs of ions needs to be determined.
Concept introduction:
For a compound, molecular formula is the multiple of empirical formula.
Empirical formula is simplest ratio of atoms present in the compound.
(c)
Answer to Problem 133A
Formula of gold (III) and cyanide is
Explanation of Solution
The given ions pair is gold (III) and cyanide. Gold (III) has +3 charges and cyanide has -1 charge. Thus the formula of gold (III) and cyanide is
(d)
Interpretation:
The formula for the compound that made from lead (II) and sulfide pairs of ions needs to be determined.
Concept introduction:
For a compound, molecular formula is the multiple of empirical formula.
Empirical formula is simplest ratio of atoms present in the compound.
(d)
Answer to Problem 133A
Formula of lead (II) and sulfide is PbS.
Explanation of Solution
The given ions pair is lead (II) and sulfide. Lead (II) has +2 charges and sulfide has -2 charges. Thus the formula of lead (II) and sulfide is PbS.
Chapter 9 Solutions
Chemistry: Matter and Change
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