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7 June, 07:25

What is the volume of 90.0 grams of ether if the density of ether is 0.70 g/mL?

a) 1.1 x 10^2 mL

b) 1.3 x 10^2 mL

c) 6.3 x 10^1 mL

d) 7.8 x 10^-3 mL

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Answers (1)
  1. 7 June, 08:43
    0
    b) 1.3 E2 mL

    Explanation:

    density = mass / volume

    ∴ m = 90.0 g

    ∴ density = 0.70 g/mL

    ⇒ V = m / d

    ⇒ V = 90.0g / 0.70 g/mL

    ⇒ V = 128.571 mL

    ⇒ V = 1.285 E2 mL ≅ 1,3 E2 mL
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