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  1. 5

    Please, need help on this chemistry conversion problem. i am stuck!?

    A star is estimated to have a mass of 2 x 10^36 kg. Assuming it to be a sphere of average radius 7.0 x 10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
  2. 5

    Need help on simple chemistry density problem please!?

    Diamonds are measured in carats, and 1 carat = .200 g. The density of a diamond is 3.51g/cm^3. What is the volume of a 5.0-carat diamond?
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