PLEASE HELP!! Calculate the molality of formic acid in a solution containing 44 g of formic acid dissolved in 625 g of nitrobenzene. The molar mass of formic acid is 36 g/mol. (12.5 pts)

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore