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4 December, 07:17

What is the weight of 7.9 ml of a solution that has a density of 1.1 g/mL?

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Answers (2)
  1. 4 December, 07:53
    0
    Since the equation for density is d=m/v, you can multiply both sides by m in order to get m by itself {d (v) = m}. Plug the volume and density in (1.1x7.9) and you will get 8.69. If you are using proper sig figs, then it will be 8.7g.
  2. 4 December, 08:47
    0
    8.69 g

    Explanation:

    density = 1.1 g/mL

    it means,

    1 ml of the solution has a mass of 1.1 g

    ∴7.9 ml of the solution has a mass of = (1.1 x7.9) g

    =8.69 g
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