Question

calculate the molality of a solution containing 20g of NaOH is 250g of water​

Answer 1

Answer:

Calculate the molarity of the solution. 20 gr of NaOH correspond to 0.5 moles which are contained in 0.5 liter of solution. In one liter of solution there will be (2)(0.5) = 1 mole and thus the solution is 1 M. 5.

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