Homework Clinic
Science Clinic => Chemistry => Topic started by: cmoore54 on Jul 8, 2021
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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%
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Answer 1
0.162 mol L-1
Answer 2
16.4%
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Thanks
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thanks
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