HELP AGAIN ASAP CHEM

Science
Tutor: None Selected Time limit: 1 Day

Suppose 

 of lead(II) nitrate is dissolved in 
 of a 
 aqueous solution of ammonium sulfate.

Calculate the final molarity of lead(II) cation in the solution. You can assume the volume of the solution doesn't change when the lead(II) nitrate is dissolved in it.

Be sure your answer has the correct number of significant digits.
Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

the no. of moles of lead in the solution is :

[25.4 /331]

= 0.076 moles


the final volume of the solution is : 300 ml = 0.3 lit

so the molarity will be 0.076/0.3

                                   =0.25M

so the molarity of lead (II) ions is 0.25M
Please let me know if you need any clarification for the doubts. I'm always happy to answer your questions. Looking forward to help you again. thank you. :)
Sep 18th, 2015

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Oct 3rd, 2015
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