250 ml of a calcium carbonate solution contains
2.5 grams of CaCO3. If 10 ml of this solution
is diluted to one litre, what is the concentration
of the resultant solution?
1) 0.1 M 2) 0.001 M 3) 0.01 M 4) 10 M
10-4
Answers
Answered by
0
Answer:
0.01M
is the correct answer
Answered by
3
Answer:
2) 0.001 M
Explanation:
250 ml solution contain 2.5 gm CaCO
3
10 ml solution contain
250 /2.5 × 10 CaCO3
=01 gm
number of mole of CaCo3
= 0.1 /100 = 0.001
Concentration =0.001 / 1 litre
=0.001 mol/litre
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