A solution is prepared by dissolving 0.4g of NaOH in 500ml of the solution. what is the PH of the solution?
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Explanation:
A solution is prepared by dissolving 4g of NaOH to give 500ml of it. Calculate the molality of the solution.
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Answer:
Answer
Moles of NaOH=
molarmass
mass
=
40
4
=0.1
500ml≈500g
molality=
=
massofsolvent(kg)
molesofsolute
=
500
0.1×1000
m=2
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