Calculate the molarity of naoh is the solution prepared by dissolving 4 g of naoh in sufficient water to make 250 ml of the solution.
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no. of moles=given mass/ molar mass
molar mass of Naoh=40
no. of moles=4/40=10^-1
volume in litre=250/1000=0.25L
molarity=no. of moles/ vol. in L
= 10^-1/0.25=0.4M
molar mass of Naoh=40
no. of moles=4/40=10^-1
volume in litre=250/1000=0.25L
molarity=no. of moles/ vol. in L
= 10^-1/0.25=0.4M
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