Calculate the molarity of a solution that contains 724.8 g CuSO4 in 332.6 mL water. (The molar mass of CuSO4 is 159.60 g/mol.)

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Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.