Question

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if the density of methanol is 0.793 kilogram per litre what is the volume needed for making 2.5 Litre of its 0.25 M solution.
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Answer 1

Answer:

methanol density is 0.739kg/L mass of methanol is =739g molarity of methanol is = 793*1000/(32.043*1000) that is (M1)=24.75mol/L V1=(M2*V2)/M1 V1 = 2.5*0.25/24.75 V1 = 0.25L so, 0.25L volume needed for making 2.5L of methanol 0.25Msolution

Answer 2

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