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Chemistry, 22.06.2019 07:40
The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
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The zinc within a copper-plated penny dissolves in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can reach the zinc). the reaction between the acid and the zinc 2h+(aq)+zn(s)βh2(g)+zn2+(aq) . when the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 Β°c is 0.947 l at a total pressure of 743 mmhg . (vapor pressure of water is 23.78 mmhg at 25 Β°c .) what mass of hydrogen gas is collected? answer in appropriate significant figures
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Can I titrate a solution of unknown concentration with another solution of unknown concentration and...
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