How many milliliters of a 235 ml solution of 1.5 m alcl3, Ask an Expert

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1) When 7 mL of a solution containing 2.5 M AlBr3 is diluted to 37 mL, a dilute solution is formed. What is the Br- concentration in 25 mL of the dilute solution?

2) A 100 mL stock solution contains 4.1 M Na3PO4. When 31 mL of the stock solution is diluted to 73 mL, how many moles of Na+ ions will be contained in the dilute solution?

3) How many milliliters of a 235 mL solution of 1.5 M AlCl3 must be used to make 61 mL of a solution that has a concentration of 0.5 M Al3+?

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Category:- Chemistry
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