please answer all questions, all for one question

A solution is made up by dissolving 15,0g MghO4 - 7at, O in 140.0g of water what is the motality of Mest4 in this colution? Molabity = L. or solution. 3. Cakulate the molanty of AlataSOOh. Molarity = b. Calculate the molarity of sO2. Molarity = 5. Calculate the molality of Al2(S04), assuming that the density of the sovtion a 1.4000im. Molatity = 10 item attampty retiemur A beverage contains tartaric acid, H2C4H4O6, a substance obtained from grapes during wine making. If the beverage is 0.204 M tartaric acid, what is the molal concentration? The density of the solution is 1.016g/mL. Molal concentration =