Chapter 2: Problem 61
Give the chemical formula for (a) chlorite ion, (b) chloride ion, (c) chlorate ion, (d) perchlorate ion, (e) hypochlorite ion.
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Chapter 2: Problem 61
Give the chemical formula for (a) chlorite ion, (b) chloride ion, (c) chlorate ion, (d) perchlorate ion, (e) hypochlorite ion.
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$$ \begin{aligned} &\text { Fill in the gaps in the following table: }\\\ &\begin{array}{|l|l|c|c|c|} \hline \text { Symbol } & { }^{59} \mathrm{Co}^{3+} & & & \\ \hline \text { Protons } & & 34 & 76 & 80 \\ \hline \text { Neutrons } & & 46 & 116 & 120 \\ \hline \text { Electrons } & & 36 & & 78 \\ \hline \text { Net charge } & & & 2+ & \\ \hline \end{array} \end{aligned} $$
A chemist finds that \(30.82 \mathrm{~g}\) of nitrogen will react with \(17.60 \mathrm{~g}\), \(35.20 \mathrm{~g}, 70.40 \mathrm{~g}\), or \(88.00 \mathrm{~g}\) of oxygen to form four different compounds. (a) Calculate the mass of oxygen per gram of nitrogen in each compound. (b) How do the numbers in part (a) support Dalton's atomic theory?
Iodic acid has the molecular formula \(\mathrm{HIO}_{3}\). Write the formulas for the following: (a) the iodate anion, (b) the periodate anion, (c) the hypoiodite anion, (d) hypoiodous acid, (e) periodic acid.
Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (a) \(\mathrm{SF}_{6},(\mathrm{~b}) \mathrm{IF}_{5},(\mathrm{c}) \mathrm{XeO}_{3}\), (d) dinitrogen tetroxide, \((\mathrm{e}) \mathrm{hy}\) - drogen cyanide, (f) tetraphosphorus hexasulfide.
The natural abundance of \({ }^{3} \mathrm{He}\) is \(0.000137 \%\). (a) How many protons, neutrons, and electrons are in an atom of \({ }^{3} \mathrm{He}\) ? (b) Based on the sum of the masses of their subatomic particles, which is expected to be more massive, an atom of \({ }^{3}\) He or an atom of \({ }^{3} \mathrm{H}\) (which is also called tritium)? (c) Based on your answer for part (b), what would need to be the precision of a mass spectrometer that is able to differentiate between peaks that are due to \({ }^{3} \mathrm{He}^{+}\) and \({ }^{3} \mathrm{H}^{+} ?\)
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