In the following reaction: 2 KClO3(s) 2 KCl(s) + 3 O2(g) 14.0 g ...

[cmoore54]

Question 1

If the reaction of phosphate ion with water is ignored, what is the total concentration of ions in a solution prepared by dissolving 3.00 g of K₃PO₄ in enough water to make 350 mL of solution?
◦ 0.0101 mol L^-1
◦ 0.0404 mol L^-1
◦ 0.162 mol L^-1
◦ 0.323 mol L^-1

Question 2

In the following reaction:

2 KClO₃(s) → 2 KCl(s) + 3 O₂(g)

14.0 g KClO₃ yielded 1.40 g KCl.  What is the percent yield?
◦ 6.08%
◦ 16.4%
◦ 11.0%
◦ 32.9%
◦ 10.0%

[kmb352]

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