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A 15 ml sample of 0.20M magnesium chloride is added to 45 ml of 0.40M aluminium chloride. What is the molarity of chloride ion in the final solution.

A 15 ml sample of 0.20M magnesium chloride is added to 45 ml of 0.40M aluminium chloride. What is the molarity of chloride ion in the final solution.

Grade:11

1 Answers

Umakant biswal
5349 Points
7 years ago
@ bhavika 
I will give you the approach how to solve the questions . 
step 1 – find the moles of cl in both the solution . 
that u can do by the formula , 
moles of mg =cl=molarity*volume in l
0.2 moles in 1000 ml.. 
then add both cl moles and divide by full volume. 
both cl means 
moles of cl in alcl3 solution + moles of cl in mgcl solution ,/  total volume 
That will give the answer to your query . 
HOPE IT HELPS 
IF NOT ABLE TO SOLVE , THEN LET ME KNOW , I WILL GIVE FULL SOLUTION 
ALL THE BEST ..
 

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