Math Skills: More Practice
Math Skills: More Practice
Math Skills: More Practice
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Page 54: Density<br />
1. 220 g<br />
2. 1.91 × 10 –5 people/m 2<br />
3. 21.8 g<br />
4. 7.7 × 10 –4 kg or 0.77 g<br />
5. 2.3 g/cm 3<br />
Page 93: Pascal’s Principle<br />
1. 7.50 × 10 2 N<br />
2. 5.0 × 10 2 N<br />
3. 660 N<br />
4. 0.071 cm 2<br />
5. 12.6 mm 2<br />
Page 98: Boyle’s Law<br />
1. 250 kPa<br />
2. 98.0 kPa<br />
3. 234 kPa<br />
4. 0.89 L<br />
5. 7.8 cm 3<br />
Page 126: Converting Moles to Grams<br />
1. a. 1.91 × 10 3 g Si<br />
b. 1.63 × 10 –2 g Cd<br />
c. 8.9 g Au<br />
d. 7.170 × 10 2 g W<br />
2. 720.6 g/mol C 60; 37.7 g C 60<br />
3. 220 g Cd; 64 g S<br />
4. 3.36 × 10 29 g Fe<br />
5. a. 1 × 10 6 g C<br />
b. 6 × 10 3 g O<br />
Page 193: Writing Ionic Formulas<br />
1. KBr<br />
2. CaCl 2<br />
3. a. Li 2O<br />
b. MgO<br />
c. NaCl<br />
d. Mg 3N 2<br />
4. NaF<br />
5. SrI 2<br />
Page 196: Finding Empirical Formulas<br />
1. K 2CrO 4<br />
2. C 3H 8O<br />
3. MnO 2<br />
4. Mn 2O 3<br />
5. Cl 2O 7<br />
Copyright © by Holt, Rinehart and Winston. All rights reserved.
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