Homework Help: Chemistry

Posted by Juggernaut on Tuesday, June 9, 2009 at 6:31pm.

I am hoping to receive help getting started with this problem, possibly some steps in the correct direction.

Here is the question: 5.0mLs of a 6.0M solution of HCl was transferred to a 1000ml volumetric flask and diluted to volume w/ water. 50mLs of this solution was then transferred to a 100mL flask and diluted to Volume with water. What is the molarity of the 2nd diluted solution?

Chemistry - Juggernaut, Tuesday, June 9, 2009 at 8:04pm
Can some one check to see if I did this correct:

6M= moles of solute/.005 L solution

.03=moles solute

M of2nd solu=.03 m solute/.05L solution

M=.6
Chemistry - MathMate, Tuesday, June 9, 2009 at 8:39pm
After the second dilution:
M of2nd solu=.03 m solute/.10L solution
Chemistry - Juggernaut, Tuesday, June 9, 2009 at 8:42pm
Why .10L
Chemistry - MathMate, Tuesday, June 9, 2009 at 8:48pm
I based on this, unless I mis-read it.

50mLs of this solution was then transferred to a 100mL flask and diluted to Volume with water...
Chemistry - MathMate, Tuesday, June 9, 2009 at 8:48pm
I based on this, unless I mis-read it.

50mLs of this solution was then transferred to a 100mL flask and diluted to Volume with water...
Chemistry - MathMate, Tuesday, June 9, 2009 at 8:49pm
Sorry, the second post was sent by mistake. No shouting intended! :)

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