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If the density of methanol is 0.793 kg L...

If the density of methanol is `0.793 kg L^(-1)` what ia its volume needed for making 2.5 L of its `0.25 M` solution?

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The correct Answer is:
0.0025 L
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If the density of methanol is 0.793kg L^(-1) , what is its volume needed for making 2.5 L of its 0.25 M solutoin?

(i) Define : (a) Mole fraction (b) Mass percentage. (ii) If the density of methanol is 0.793 kg L–1, what is its volume needed for making 2.5 L of its 0.25 M solution ?

Knowledge Check

  • If the density of methanol is 0.8 kg L^(-1) , what is its volume needed for making 4 L of its 0.25 M solution?

    A
    4 mL
    B
    8 mL
    C
    40 mL
    D
    80 mL

  • What is the mass of urea required for making 2.5 kg of 0.25 molal aqueous solution?

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    37 g
    B
    25 g
    C
    125 g
    D
    27.5 g

  • The density of 3 M solution of NaCl is 1.25 "g L"^(-1) . The molality of the solution is :

    A
    2.79
    B
    1.79
    C
    0.79
    D
    2.98 M

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