A `6.90` M solution of KOH in water contains 30% by mass of KOH. Calculate the density of the KOH solution? [Molar mass

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Q 1185691567.     A `6.90` M solution of KOH in water contains 30% by mass of KOH. Calculate the density of the KOH solution?
[Molar mass of KOH = `56 g mol ^-1`]
A

`1.521` `gcm^-3`

B

`1.288` `gcm^-3`

C

`2.121` `gcm^-3`

D

`2.50` `gcm^-3`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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