Honors Chemistry

Practice Test #1 ANSWERS


Part Two - Short Answer
1 (a) 100 (b) 1,000,000 (c) 1000 (d) 1000 (e) 10

2.
0.000450 = three sig figs
350000 = two sig figs
5.200 = four sig figs
50 = one sig fig
50.0 = three sig figs
10001 = five sig figs

3.
Length = 17.1 cm
Width = 1.8 cm
Area = 30.78 cm² (unrounded)
Answer should have two sig figs
Area = 31 cm²

5. $65.45

6. 4.3 moles

7. The density should be approximately 5.4-5.6 g/mL