Chemistry, 27.09.2019 22:00 karebareyo
An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. the molar mass of the
compound is 150.22 g/mol. what is the empirical formula and the molecular formula of this compound?
element
hydrogen
carbon
nitrogen
oxygen
potassium
molar mass
(g/mol)
1.0079
12.01
14.01
16.00
39.1
Answers: 1
Chemistry, 22.06.2019 16:10
Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
Chemistry, 22.06.2019 22:30
What is a number added in front of a formula in order to balance the equation
Answers: 1
An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. t...
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