Homework Help: Chemistry

Posted by TT on Thursday, December 9, 2010 at 9:45pm.

I am having trouble getting this starting and figuring out the correct steps...the problem is

Calculate the final concentration of the solution in each question

1) Water is added to 0.270 L of a 6.00M HCl solution to give a volume of 3.00 L (Express answers with the appropiate units)?

2) A 31.0 mL sample of a 2.50 M KCl solution is diluted with water to 0.350L (Express answers with the appropriate units)?

Chemistry - TT, Thursday, December 9, 2010 at 9:54pm
I think the answer for #2 may be 0.221 M? Is this correct?
Chemistry - DrBob222, Thursday, December 9, 2010 at 10:08pm
mL x M = mL x M or
L x M = L x M
There aren't many dilution problems this one can't do.
Chemistry - TT, Thursday, December 9, 2010 at 10:10pm
I just figured out the first one shortly after I answered the second question thank you

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