Question

the molarity of 720gm of pure water​

Answer 1

no. of moles of water=mass in grams /molecular mass

no. of moles=720/18

=40 moles

we know that,

molarity=no.of moles of solute/volume of solution in ml×1000

molarity=40/720×1000...(720g of water =720ml of water)

molarity =55.55

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