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Chemistry Forums for Students => Physical Chemistry Forum => Topic started by: Meowmix88 on March 01, 2011, 12:44:36 PM

Title: partial molar volume
Post by: Meowmix88 on March 01, 2011, 12:44:36 PM

how to prepare aqueous sodium chloride solution containting 5% nacl by weight about 100g of the solution is required

Title: Re: partial molar volume
Post by: DevaDevil on March 01, 2011, 01:18:35 PM

weigh 95g of pure water.
weigh 5g NaCl.
dissolve.

Title: Re: partial molar volume
Post by: Meowmix88 on March 01, 2011, 01:42:32 PM

At about 20 percent ethanol by weight with the same conditions

Title: Re: partial molar volume
Post by: DevaDevil on March 03, 2011, 02:57:38 PM

come on, you should be able to figure that out, else you are really in the wrong field.

20% ethanol by weight in water. Look how I answered the 5% rocksalt by weight and then reason what that means for your ethanol one