Answers created by Cindy
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How can i prepare 16% of potassium chloride?
How to find oxidation number?
Al2O3+ 6HCl -> 2AlCl3 + 3H2O . We have 3 moles Al2O3 and 14 moles HCl until the balance will react 2 moles Al2O3. What is equilibrium constant?