calculate the molarity and mole fraction of the solution of 117g of salt (MM=58.5g) dissolved in 5000g of water.
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Answer:
Explanation:
no. of moles of salt = 117/58.5
=2
no. of moles of water= 5000/18
=277.78
volume = mass/density
= 5000/1 (g/ml)
= 5000ml
= 5L
molarity=2/5 = 0.4M
mole fraction
total no of moles=279.78
a)Salt
mole fraction=2/279.78 = 0.00714
b)water
mole fraction=1-0.00714
=0.99286
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