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WorksheetsUnit 4 soln and Acids qz 2
Total questions: 13
Worksheet time: 27mins
A saturated solution of calcium carbonate was found to contain 0.0198 g of calcium carbonate (CaCO3) dissolved in 2000 g of solution. Calculate the concentration of calcium carbonate in the solution in parts per million (ppm).
9.90 ppm
8.90 ppm
7.35 ppm
5.63 ppm
What is the concentration of a solution in parts per million if 0.02 grams of NaCl is dissolved in 1000 grams of water?
2 ppm
20 ppm
200 pm
0.2 ppm
When acids react with metals, they produce hydrogen gas and salt.
True
False
Which of the following are properties of acids?
They conduct electricity when dissolved in water
They taste sour
They react with metals to produce hydrogen gas
All of the answer choices are correct
Which of the following could you use to determine if a substance is an acid or a base?
Litmus Paper
pH Paper
Red Cabbage Juice
All of the above
What is the pH range of a base?
0-6
8-14
0-14
0-16
What is the pH range of a acid?
0-6
8-14
0-14
0-16
Bleach has a pH of 11. What is this substance on the pH scale?
acid
base
neutral
Negative
Which of the following best describes a Bronsted-Lowry base?
It increases the amount of H+ in solution
It increases the amount of OH- in solution
It is a proton acceptor
It is a proton donor
