What is the molarity of a 0.50 L sample of solution that contains 60.0 g of sodium hydroxide (NaOH)? O 3.0 M
0.80 M
O 6.0 M
O 1.5 M

2. how is heavy water different from normal water

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

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