Concentration_wksht - Concentration Worksheet 1) 6.80 g of...

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Concentration Worksheet 1) 6.80 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 0.075 M solution? 3) How many grams of magnesium cyanide would you need to add to 275 mL of water to make a 0.075 molal solution? 4) Explain how to make one liter of a 1.25 molal sodium hydroxide solution.
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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, HOCH 2 CH 2 OH) is 1.09 g/mL. How many grams of ethylene glycol should be mixed with 375 mL of water to make a 7.50% (v/v) mixture? 7) Find the volume of a 0.75 M solution if it contains 39 grams of potassium hydroxide. 8) How many grams of hydrochloric acid are present in 3.0 L of a 0.750 M solution?
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Concentration_wksht - Concentration Worksheet 1) 6.80 g of...

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