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Here is the answers to 2021 CP Review HW for Acid Base Test.
1a) Calcium bromide, Strong electrolyte
1b) Carbon dioxide, Non-electrolyte
1c) Hydrofluoric acid, Weak electrolyte
2a) Ammonia, Weak base
2b) Nitrous acid, Weak acid
2c) Sulfuric acid, Strong acid
2d) Magnesium hydroxide, Strong base
3) False
4) Taste sour, Reacts with metals to form hydrogen gas.
5) False
6) Base
7) True
8) Basic solution
9) Strong acid/base
10) Decrease by 10 times
11) pH = 8.0
12) 6.2E-5 M
13a) 8.13E-9M
13b) pH = 8.1 (actually pH=8.090)
14a) 9.84E-7M
14b) pH = 6.01 (actually pH = 6.007)