
(a)
Interpretation:
To determine the formula of the hydrogen cyanide.
Concept Introduction:
Formula of a compound is the representation of the given name into the
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula ofhydrogen cyanide is HCN.
Explanation of Solution
Hydrogen cyanide is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and CNhas -1 charge. When two H+ and one CN- are combine together to formed HCN and net charge on the species is neutral.
(b)
Interpretation:
To determine the formula of the nitric acid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of nitric acid is HNO3.
Explanation of Solution
Nitric acid is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and NO3 has -1 charge. When one H+ and twoNO3 - are combine together to formed HNO3 and net charge on the species is neutral.
(c)
Interpretation:
To determine the formula of the sulfuric acid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of sulfuric acid is H2 SO4.
Explanation of Solution
Sulfuric acid is formed from the two species one has negative charge and one has positive charge. Hhas + 1 charge and SO4 has -1 charge. When twoH+ and oneSO4 2 -are combine together to formed H2 SO4 and net charge on the species is neutral.
(d)
Interpretation:
To determine the formula of the phosphoric acid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of phosphoric acid is H3 PO4.
Explanation of Solution
Phosphoric acid is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and PO4 3 -has -3 charge. When three H+ and oneNO3 - are combine together to formedH3 PO4 and net charge on the species is neutral.
(e)
Interpretation:
To determine the formula of the hypochlorous acid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of hypochlorous acid is HClO.
Explanation of Solution
Hypochlorous acid is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and ClOhas -1 charge. When twoH+ and oneClO-are combine together to formedHClOand net charge on the species is neutral.
(f)
Interpretation:
To determine the formula of thehydrobromic acid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of hydrobromic acid is HBr.
Explanation of Solution
Hydrobromic acid is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and Brhas -1 charge. When two H+ and one Br-are combine together to formed HBrand net charge on the species is neutral.
(g)
Interpretation:
To determine the formula of thebromous acid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of bromousacid is HBrO2.
Explanation of Solution
Bromous acid is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and BrO2 has -1 charge. When two H+ and one BrO2 - are combine together to formed HBrO2 and net charge on the species is neutral.
(h)
Interpretation:
To determine the formula of thehydrofluoricacid.
Concept Introduction:
Formula of a compound is the representation of the given name into the symbol of their element with some chemical formation of bond between them. To write the formula of a compound, we must know the symbol and valence electron of that element. The charge on the element/ molecule present is used to determine the formula of a compound.
There are two type of charge i.e. positive and negative charge species are combine together with balancing the total charge of a compound.

Answer to Problem 48QAP
Formula of hydrofluoricacid is HF.
Explanation of Solution
Hydrofluoric acid is formed from the two species one has negative charge and one has positive charge. H has + 1 charge and F has -1 charge. When one H+ and one F- are combine together to formed HF and net charge on the species is neutral.
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Chapter 5 Solutions
Introductory Chemistry: A Foundation
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