Posted by jessie on Tuesday, October 11, 2011 at 5:28pm.
No. No. No.
W/v the v is the volume of solution, not solute.
so you want this:
.10= massnitricacid/volumewater+volume acid.
Now the mass of acid is .65 the mass of the acid concentrate (or .35 water).
So lets some 10PC w/v.
Say we need V of this. So V=volume water+ volumeconcacid
but mass acid= .65*massconcacid.
but if you have the volume of concentrated acid, you need the density.
mass acid=.65*volumeconcacid*density
.10=massacidabove/(volumewater+volumeconcacid)
so if you want 100 ml of the final solution..
.10= .65*volumeacid*density/100
solve for ml of conc acid, then add the acid to water (100ml-volumeacid).
always add acid to water.
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