How many moles of solute are present in 125ml of 0.125M KBr?
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how many moles of solute particles are present in 1 l of aqueous 5.95M KBr
The following data was recorded in determining the molar mass ofa volatile liquid.
Mass of flask, foil, and rubber band 74.722 g
Temp of boiling water 98.7C
Mass of flask, foil, rubber band, and vapor 74.921 g
Volume of 125ml flask 0.152L
Atmospheric Pressure 752 torr
How many moles of vapor are present?