Transcription of Concentration Worksheet W 328 - Everett Community College
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Concentration Worksheet W 328 - Everett Community College
Concentration Worksheet W 328 Everett Community College Student Support Services Program 1) g of sodium chloride are added to 2750 mL of water. Find the mole fraction of the sodium chloride and of the water in the solution. 2) How many grams of magnesium cyanide are needed to make 275 mL of a M solution? 3) How many grams of magnesium cyanide would you need to add to 275 mL of water to make a molal solution? 4) Explain how to make one liter of a molal sodium hydroxide solution. 5) What is the molarity of a solution made when 52 grams of potassium sulfate are diluted to a volume of 4100 mL? 6) The density of ethylene glycol (antifreeze, HOCH2CH2OH) is g/mL.
10) What is the molarity of a solution in which 0.850 grams of ammonium nitrate are dissolved in 345 mL of solution? 11) Explain how you would make 675 mL of a 0.400 M barium iodide solution.
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