Answer:
Explanation:
When you divide exponentials, you subtract the powers. For the numbers infront, just use a basic calculator for.
7.95/6.02 = 1.32
10^22/10^23 = 10^-1
1.32 x 10^-1 is your answer
Answer:
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PH = -log10 [H+]. So anwer 2 pH
Salt makes the freezing point of water decrease, so it would freeze at a warmer temperature than regular water