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27 Nov 2019
1)When 7 mL of a solution containing 2.5 M AlBr3 is diluted to 37mL, a dilute solution is formed. What is the Br- concentration in25 mL of the dilute solution?
2)A 100 mL stock solution contains 4.1 M Na3PO4. When 31 mL of thestock solution is diluted to 73 mL, how many moles of Na+ ions willbe contained in the dilute solution?
3) How many milliliters of a 235 mL solution of 1.5 M AlCl3 must beused to make 61 mL of a solution that has a concentration of 0.5 MAl3+?
1)When 7 mL of a solution containing 2.5 M AlBr3 is diluted to 37mL, a dilute solution is formed. What is the Br- concentration in25 mL of the dilute solution?
2)A 100 mL stock solution contains 4.1 M Na3PO4. When 31 mL of thestock solution is diluted to 73 mL, how many moles of Na+ ions willbe contained in the dilute solution?
3) How many milliliters of a 235 mL solution of 1.5 M AlCl3 must beused to make 61 mL of a solution that has a concentration of 0.5 MAl3+?
Hubert KochLv2
23 Sep 2019
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