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Hydrogen gas can be prepared by reaction of zinc metal with aqueous HCl : Zn(s) + 2HCl(aq) = ZnCl2 (aq) + H2 (g). How many liters of H2 would be formed at 530mm Hg and 16C if 27.0g of zinc was allowed to react?
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
sodium hydroxide reacts with sulfuric acid to produce sodium sulfate and water. how many grams of sodium hydroxide are
Substances A2, B2, and C2 can act as oxidizing agents. Solution A2 is green, B2 is yellow, and C2 is red. In the reactions in which they participated they are reduced to A-, B-, and C- ion, all of which are colorless
25.0 ml of a calcium chloride solution is added to an excess of aqueous silver nitrate. the resulting precipitate has a
what are the freezing point and boiling point of an aquenous solution of 15.5g glucose c6h12o6 dissolved in 150 g of
15.0 ml sample of .1m baoh2 is titrated with .125 m hcl. calculate the ph for atleast five different throughout the
A solution is prepared by adding 5.00 grams of an unkown compound to 217 g of cyclohexane (C6H12). This solution freezes at 4.5 degree C.
What is the molar concentration of a solution prepared by dissolving 0.6593 g of NaCl in a 100-mL volumetric flask
A mixture of NaCl and NaBr has a mass of 2.08g and is found to contain 0.78 of Na.What is the Mass of NaBr in the mixture.
potassium fluoride is very soluble in glacial acetic acid and the solutions have a number of unusual properties. in an
explain the probable effect of this procedural change on the experimental results?
The addition of S2- ion to Fe(OH)2(s) results in the formation of FeS(s). Explain why the addition of S2- ion to Cr(OH)3(s) does not result in the formation of Cr2S3(s).
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