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Calculate the number of moles of methano...

Calculate the number of moles of methanol in 5 litres of its 2 m solution if the density of solution is 0.981 kg (Molar mass of methanol=32.0g `mol^(-1)`.

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To calculate the number of moles of methanol in 5 liters of a 2 m solution, we can follow these steps: ### Step 1: Understand the meaning of 2m solution A 2m (2 molal) solution means that there are 2 moles of methanol (CH₃OH) in 1 kilogram of solvent (water). ### Step 2: Calculate the mass of methanol in the solution Given that the molar mass of methanol is 32.0 g/mol, the mass of methanol in 2 moles can be calculated as: \[ ...
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