calculate the mass of NaOH required to make 500ml of 0.5Molar aqueous solution

Answer 1

Molarity = number of moles/Volume in liters

=> Number of moles of NaOH = M * Vol
= 0.5*0.5
= 0.25

Mass required = Molar Mass * Number of moles
= 40 * 0.25
= 10g

Answer 2

Superb

Answer 3

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