Analysis of a gaseous hydrocarbon compound gives the following percent composition by
mass: 85.7% C and 14.3% H.
(a) Define empirical formula and molecular formula.
(b) Determine the empirical formula of the hydrocarbon.
(c)0.25 g of this compound occupies a volume of 100 mL at STP. Determine the molar
mass and the molecular formula of the hydrocarbon.
Answers: 3
Chemistry, 22.06.2019 09:00, hellodarkness14
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
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Chemistry, 22.06.2019 18:10, ellemarshall13
Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate
Answers: 1
Chemistry, 22.06.2019 20:30, ShahinF7536
Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?
Answers: 1
Analysis of a gaseous hydrocarbon compound gives the following percent composition by
mass: 85.7% C...
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