Chemistry, 01.06.2021 19:20, hjlhdjfhjh
7) A high-school chemistry student performed an acid-base reaction in class and wanted to
determine the pH of the resulting solution. The student knows that the concentration of
hydroxide ions, [OH-], in the solution is 5.2 x 10-3 M. What is the pH of this solution?
Choose the range of pH values that contains the correct pH.
A) 1-3.9
B) 4 - 7.9
C) 8-11.9
D) 12 - 14
Answers: 1
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
7) A high-school chemistry student performed an acid-base reaction in class and wanted to
determine...
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