Chemistry, 23.07.2019 16:30 gharrell03
Each mole of al(no3)3 contains how many moles of oxygen atoms? 1. 3 mol 2. 9 mol 3. 12 mol 4. 1 mol 5. 6 mol
Answers: 1
Chemistry, 22.06.2019 20:00
What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?
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Chemistry, 22.06.2019 21:20
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .
Answers: 2
Chemistry, 22.06.2019 22:00
The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
Answers: 2
Each mole of al(no3)3 contains how many moles of oxygen atoms? 1. 3 mol 2. 9 mol 3. 12 mol 4. 1 mol...
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