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1).Calculate the molarity of a solution made by adding 45.4 g of sodium nitrate to a 250 mL volumetric flask. 2). How many milligrams of potassium phosphate are needed to prepare 50 mL of a 0.250 M aqueous solution? Describe the procedure for making this solution. 3).To what volume should 200 mL of a 15.0 M solution of sodium hydroxide be diluted to obtain a solution that is 2.87 M? 4). Write the molecular, total ionic, and net ionic equations for the following problem. What volume in mL of 0.150 M lithium chloride is required to completely react with 150 mL of a 0.278 M lead nitrate.
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