when 5g af Nacl is dessolved in 150g of water, what
is the motality of the solution
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Answer:
Explanation:
The mass concentration is the mass of the solute divided by the volume of the solution.
Find the volume of the water. Given that density of water is 1.00g cm−3 , volume equals
150g1.00gcm−3
=150cm31000cm3dm−3
=0.15dm3
Divide the mass of NaCl by the volume of the solution. The mass concentration is 250.15=167g dm−3
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