Homework Help: chemistry

Posted by markees on Monday, January 3, 2011 at 4:42pm.

You have a 10 M acidic solution. However, you need that solution to be 0.25 M. How many ml of 10 M should be diluted to obtain 300 ml of 0.25 M acid solution?

chemistry - DrBob222, Monday, January 3, 2011 at 4:50pm
The dilution formula is
mL x M = mL x M
chemistry - bob, Sunday, April 24, 2011 at 10:09pm
A solution of ethanol (C2H5OH) in water is prepared by dissolving 87.4 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
chemistry - Anonymous, Tuesday, June 14, 2011 at 2:47pm
35.6

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