Worksheet solubility % and m

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Worksheet solubility % and m

  1. 1. Solubility, solubility rules, % and Molarity1.- How do temperatue and pressure affect the solubility of solids and gases in wáter?2.- If NaCl has a solubility of 36 g /100 g of water at 20 C, how many grams of water areneeded to prepare a saturated solution containing 80 g of NaCl?3.- KNO3 has a solubility of 32 g of KNO3/100 g of water at 20 C. State if the following forms asaturated or unsaturated solution at 20 C:a)32 g of KNO3 and 200 g of waterb)19 g of KNO3 and 50 g of water4.- Indicate whether each of the following ionic compounds is soluble or insoluble in water:a)KCl b)MgSO4 c)CuS d)AgNO3 e)Ca(OH)25.- How many milliliters of a 12% (v/v) propyl alcohol solution would you take to obtain 4.5 mlof propyl alcohol?6.- A solution is prepared with 70 g of HNO3 and 130 g of water. What is the %(m/m) of thesolution?7.- How many liters of a 2.5 M KNO3 solution can be prepared from 60 g of KNO3?8.- How would you prepare 250 ml of a 2 M KCl solution?9.- What is the molarity of a solution containing 15.6 g of KCl in 274 ml of solution?10.- How many grams of Na2SO4 are in 428 ml of a 0.45 M Na2SO4 solution?

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