Need help with chemistry 170 college

Dec 9th, 2015
Price: $5 USD

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(Part A )hydrocarbon is a compound that contains mostly carbon and hydrogen. Calculate the percent composition (by mass) of the following hydrocarbon:C 10 H : 22. Enter the percentages of carbon and hydrogen numerically to 4 significant figures, separated by commas. Carbon, hydrogen =-------- %

(Part B)A certain metal hydroxide, M(OH)2, contains 32.8% oxygen by mass. What is the identity of the metal M? molar mass=----------------g/mol

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