JEE Main 2019 Chemistry question
A solution of sodium sulfate contains 92 g of Na ions per kilogram of water. The molality of Na ions in that solution in mol kg is:
Answer: (B)
Solution
92/23 = 4 mol kg.
A solution of sodium sulfate contains 92 g of Na ions per kilogram of water. The molality of Na ions in that solution in mol kg is:
92/23 = 4 mol kg.