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Answer to Question #186781 in General Chemistry for Nancy
Question #186781
1. The empirical formula of hydrocarbon is C2 H3 .The hydrocarbon has a relative molecular mass of 54 calc molecular formula of hydrocarbon
Expert's answer
"Moles=\\frac{54}{27}=2"
Molecular formula"= C_4H_6"
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Comments
Dear Nancy, please post a new question
1.A solution of sodium hydroxide contains 1g in 250cm3 solution . calculate concentration of solution in dm3 .what volume of this solution would be needed to neutralize 25cm3 of 0.1hydocloric acid 2.When excess of lead (ii)nitrate solution was added to sol containg sodium chloride,the precipitate formed was found to weigh 5.50g . Determine amount of sodium chloride in solution
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