Calculating the mass of propylene glycol
Calculate the mass of propylene glycol that must be added to 0.340 of water to reduce the vapor pressure by 2.86 at 40 ( at 40 ).
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A chemist prepares a solution by dissolving 2.228 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
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