Question:
Which of the following solutions have the same concentration?
(i) 20 g of NaOH in 200 mL of solution
(ii) 0.5 mol of KCl in 200 mL of solution
(iii) 40 g of NaOH in 100 mL of solution
(iv) 20 g of KOH in 200 mL of solution
Solution:
Option (i) 20 g of NaOH in 200 mL of solution and (ii) 0.5 mol of KCl in 200 mL of solution are the answers.
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