Given that the molar mass of NaOH is 40 point 0 0 g/mol , what mass of NaOH is needed to make 2 point 5 0 0 liters of a 2 point 0 0 0 cap m NaOH solution? Use molarity is equal to moles of solute over liters of solution

Use molarity = moles ÷ liters, so moles of NaOH = 2.000 mol/L × 2.500 L = 5.000 mol. Multiply by the molar mass: 5.000 mol × 40.00 g/mol = 200.0 g. The correct choice is 200.0 g.

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