please answer all three 6. You made a solution of sodium benzoate by dissolving 1.9gm of...

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please answer all three

Answer 1

Answer #1

6. Moles of sodium Benzoate = mass of sodium benzoate / molar mass of sodium benzoate = 1.9 / 144 moles

Molarity of solution = moles of solute / Volume in liters = (1.9 / 144) / (20 * 10^-3) = 0.66 M

Answer 2

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