Chapter 2: Problem 48
Two substances have the same molecular and empirical formulas. Does this mean that they must be the same compound?
Chapter 2: Problem 48
Two substances have the same molecular and empirical formulas. Does this mean that they must be the same compound?
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Get started for freeWrite the empirical formula corresponding to each of the following molecular formulas: (a) \(\mathrm{Al}_{2} \mathrm{Br}_{6}\), (b) $\mathrm{C}_{8} \mathrm{H}_{10}\( (c) \)\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{2}$ (d) \(\mathrm{P}_{4} \mathrm{O}_{10}\) (e) $\mathrm{C}_{6} \mathrm{H}_{4} \mathrm{Cl}_{2}\( (f) \)\mathrm{B}_{3} \mathrm{~N}_{3} \mathrm{H}_{6}$
Predict the chemical formulas of the ionic compound formed by (a) \(\mathrm{Fe}^{3+}\) and \(\mathrm{OH}^{-}\), (b) \(\mathrm{Cs}^{+}\) and \(\mathrm{NO}_{3}^{-},(\mathbf{c}) \mathrm{V}^{2+}\) and (e) \(\mathrm{In}^{3+}\) and \(\mathrm{O}^{2-}\). $\mathrm{CH}_{3} \mathrm{COO}^{-},(\mathbf{d}) \mathrm{Li}^{+}\( and \)\mathrm{PO}_{4}^{3-}$,
Fill in the blanks in the following table: $$ \begin{array}{l|l|l|l|} \hline \text { Cation } & \text { Anion } & \text { Formula } & \text { Name } \\\ \hline \mathrm{Ni}^{2+} & \mathrm{CH}_{3} \mathrm{COO} & & \text { Sodium carbonate } \\ & & & \\ \mathrm{Ca}^{2+} & \mathrm{F}^{-} & & \\ & & \mathrm{Cu}\left(\mathrm{ClO}_{4}\right)_{2} & \\ & & & \\ & & & \\ \hline \end{array} $$
Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (a) $\mathrm{SF}_{6},(\mathbf{b}) \mathrm{IF}_{5},\( (c) \)\mathrm{XeO}_{3}$, (d) dinitrogen tetroxide, (e) hydrogen cyanide, (f) tetraphosphorus hexasulfide.
How many hydrogen atoms are in each of the following: (a) $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH},\( (b) \)\mathrm{Ca}\left(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COO}\right)_{2}\(, (c) \)\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4} ?$
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