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  4. 200 ml of water is added to 500 ml of 0.2 M solution. What is the molarity of this diluted solution?

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Q. 200 ml of water is added to 500 ml of 0.2 M solution. What is the molarity of this diluted solution?

NTA AbhyasNTA Abhyas 2020Electrochemistry

Solution:

No. of millimoles $=500\times 0.2=100$

Total volume in mililitre = 500 + 200 = 700

Thus, molarity of diluted Solution: $=\frac{100 }{700}=0.1428$ $M$