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Coordination and Oxidation Number

9. What are t...

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9. What are the final concentrations of all the ions when following are mixed? 50 mL of 0.12 A/ Fe(N03 ) 3 , 100 mL of 0.10A/FeCl3 and 100 mL of 0.26M Mg(N03)2 .

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Q. When the solutions,

50

0.12 M F e {(N O_{3})}_{3}

100

0.1 M F e {C l}_{3}

100

0.26 M M g {(N O_{3})}_{2}

are mixed, the final concentrations of

C l^{-}

ions is (write it as multiples of

100

(only two digits))

Q. A 100 ml of 1 M

N a C l

solution, 100 ml of 2 M

{M g C l}_{2}

solution and 300 ml of 4 M

M g ({N O}_{3})_{2}

solution are mixed and is diluted to

2

. Which of the following is the correct regarding final concentration?

Q. 200 mL of a 0.25 M

N a C l

solution, 250 mL of a 0.5 M

C a C l_{2}

solution and 100 mL of a 0.60 M

A l C l_{3}

solution are mixed together and diluted to a final volume of 750 mL. Determine the molarity of chloride ions in solution assuming all the three salts are completely dissociated.

Q. The hydrogen ion concentration and pH of the solution made by mixing 100 mL of 1.0 M

H N O_{3}

with 100 mL of 0.8 M

K O H

, are __________.

Q. 100 ml of liquid A and 50 ml of liquid B are mixed to form 138 ml of solution. It is :

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