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What is the molarity of the solution?

What is the molarity of the solution?

  • An aqueous solution is 6.00% methanol by mass( CH3OH) by mass with density 0.988mg/L.What is the molarity. I got this far: Assuming the solution is 1000ml m=d*v so 0.988*1000=988g Mass of solution=988g and i know molarity= amount of substance/ volume of solution. Pls help!!

  • Answer:

    Start by taking a 1.0L solution Mass of this solution is: 988g - from the density The methanol is 6% by mass Mass of methanol = 6/100*988 = 59.28g Molar mass methanol = 32g/mol 59.28g = 59.28/32 = 1.85 mol CH3OH dissolved in 1.0L solution , which is the molarity Molarity of solution = 1.85M

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Molarity of the solution is the number of mole present in the given substance per liter. Molarity=number of mole*1000/volume liter.

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