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Chapter 2: Q54E (page 67)

Question : Write the formulas of the following compounds:

(a) lithium carbonate

(b) sodium perchlorate

(c) barium hydroxide

(d) ammonium carbonate

(e) sulfuric acid

(f) calcium acetate

(g) magnesium phosphate

(h) sodium sulfite

Short Answer

Expert verified
  1. \(L{i_2}C{O_3}\)
  2. \(NaCl{O_4}\)
  3. \(Ba{\left( {OH} \right)_2}\)
  4. \({\left( {N{H_4}} \right)_2}C{O_3}\)
  5. \({H_2}S{O_4}\)
  6. \(Ca{\left( {C{H_3}COO} \right)_2}\)
  7. \(M{g_3}{\left( {P{O_4}} \right)_2}\)
  8. \(N{a_2}S{O_3}\)

Step by step solution

01

Step 1.  Writing individual atoms/molecules with their charge

\(L{i^ + }\) \(CO_3^{2 - }\) \(N{a^ + }\) \(ClO_4^ - \) \(B{a^{2 + }}\) \(O{H^ - }\) \(NH_4^ + \) \({H^ + }\) \(SO_4^{2 - }\) \(C{a^{2 + }}\) \(C{H_3}CO{O^ - }\) \(M{g^{2 + }}\) \(PO_4^{3 - }\) \(SO_3^{2 - }\)

02

Step 2.  Criss-crossing charges with elements present in compound

After criss-crossing, we get

  1. \(L{i_2}C{O_3}\)\(M{g_3}{\left( {P{O_4}} \right)_2}\)

  2. \(NaCl{O_4}\)

  3. \(Ba{\left( {OH} \right)_2}\)

  4. \({\left( {N{H_4}} \right)_2}C{O_3}\)

  5. \({H_2}S{O_4}\)

  6. \(Ca{\left( {C{H_3}COO} \right)_2}\)

  7. \(M{g_3}{\left( {P{O_4}} \right)_2}\)

  8. \(N{a_2}S{O_3}\)

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Most popular questions from this chapter

Write the empirical formula for the following compounds:

Click on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the 鈥淢ix Isotopes鈥� tab, hide the 鈥淧ercent Composition鈥� and 鈥淎verage Atomic Mass鈥� boxes, and then select the element boron.

(a) Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts.

(b) Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice.

(c) Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes fromtheir bins or click on 鈥淢ore鈥� and then move the sliders to the appropriate amounts.

(d) Reveal the 鈥淧ercent Composition鈥� and 鈥淎verage Atomic Mass鈥� boxes. How well does your mixture match withyour prediction? If necessary, adjust the isotope amounts to match your prediction.

(e) Select 鈥淣ature鈥檚鈥� mix of isotopes and compare it to your prediction. How well does your prediction comparewith the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match 鈥淣ature鈥檚鈥漚mounts as closely as possible.

Determine the empirical formulas for the following compounds.

a. acetic acid, C2H4O2

b. citric acid, C6H8O7

c. hydrazine, N2H4

d. nicotine, C10H14N2

e. butane, C4H10

Question: Write the formulas of the following compounds:

(a) chlorine dioxide

(b) dinitrogen tetraoxide

(c) potassium phosphide

(d) silver(I) sulfide

(e) aluminum nitride

(f) silicon dioxide

Write the symbol for each of the following ions: (a) the ion with a \(1 + \) charge, atomic number \(55,\) and mass number \(133\)(b) the ion with \(54\) electrons, \(53\) protons, and \(74\) neutrons (c) the ion with atomic number\(15,\) mass number \(31,\) and a \(3 - \) charge (d) the ion with \(24\) electrons, \(30\) neutrons, and a \(3 + \)charge
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