PLEASE ANSWER A solution consists of 40.00 g of CuSO4 dissolved in 200.0 mL of water. The molar mass of Cu is 63.55 g/ml, the molar mass of S is 32.07 g/ml, and the molar mass of O is 16.00 g/ml. What is the molarity of the solution?

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Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction