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Empirical Formulas
Page 3
Questions (126)
"empirical formulas"
combustion of a 0.255g compound conatining only C,H and O, yields 0.561g CO2 and 0.306g H2O. what is the
4 answers
asked by
rose
515 views
An organic compound on analysis gave the following results C=54.5%, O=36.4%, H=91%. The Empirical formula of the compound is
2 answers
asked by
esly
501 views
A compound is found to have 61% carbon, 6.6% hydrogen, and 32.6% oxygen. What is the empirical formula of this compound?
I got
4 answers
asked by
cain
504 views
a compound consist of carbon,hydrogen and oxygen only.the percentage by mass are carbon 40.0% and 6,7% hydrogen.calculate the
1 answer
asked by
ellen
483 views
The combustion of a compound which contains only C and H yields 2.58 g of CO2 and 0.53 g of H2O. What is the empirical formula
2 answers
asked by
Jordan
478 views
When 1.5g of a hydrocarbon was completely burnt in excess oxygen gas,4.395g of carbon dioxide and 2.70g of water was produced.
1 answer
asked by
Dorlin
476 views
A 0.400 gram sample of a substance contains 0.141 g of potassium, 0.115 g of sulfur, and 0.144 g of oxygen. What is the
1 answer
asked by
sydney
448 views
What's the correct empirical formula for CO2?
3 answers
asked by
Vanessa
424 views
Determine the empirical formula of a compound that contains 0.171 g of carbon combined with 0.471 g of oxygen.
1 answer
asked by
Geraldlyn
438 views
A sulfide of iron was formed by combining 1.926g of sulfur(S) with 2.233g of iron (Fe). What is the compound's empirical
1 answer
asked anonymously
34 views
A sample of a compound contains 3.21 g of sulfur and 11.4 g of fluorine. Which of the following represents the empirical formula
1 answer
asked anonymously
26 views
A sample of organic compound contains 0.624g carbon,0.065 hydrogen,0.364g nitrogen and 0.208g what is the emperical formula of
1 answer
asked anonymously
37 views
A 2.500 gram sample of CuSO4 • xH2O is heated until there is no change in the mass of the residue. The residue
weighs 1.598
1 answer
asked anonymously
37 views
Which of these is an empirical formula?
Question 4 options: C2H4 C4H10 P2O5 P4O6
1 answer
asked anonymously
14 views
In an experiment 3.10grams of carbon hydrogen and oxygen produced 4.4grams of carbon4 oxide and 2.7of water on complete
1 answer
asked by
Mash
21 views
find the empirical formula for a compound which contains 32.8% chromium and 67.2% of chlorine
1 answer
asked anonymously
22 views
The empirical formula in a compound is the _ whole number ratio of elements
Responses smallest smallest real real largest largest
1 answer
asked anonymously
19 views
Which of the following is an empirical formula
Responses C18H36O2 C 18 H 36 O 2 C6H12O6 C 6 H 12 O 6 N2O4 N 2 O 4 C3H6O
1 answer
asked anonymously
15 views
Which of the following is an empirical formula?
Responses C10H20 C12H24O12 C5H11 C24H2O2
1 answer
asked anonymously
8 views
Which of the following is an empirical formula
Responses C18H36O2 C6H12O6 N2O4 C3H6O
1 answer
asked anonymously
12 views
Which of the following is an empirical formula?
Responses H2O2 C18H36O2 Na2B4O8 NaHCO3
1 answer
asked anonymously
12 views
Which of the following is an empirical formula
Responses C18H36O2 C 18 H 36 O 2 C6H12O6 C 6 H 12 O 6 C3H6O C 3 H 6 O N2O4
1 answer
asked anonymously
14 views
Which of the following is an empirical formula?
Responses NaHCO3 NaHCO 3 C18H36O2 C 18 H 36 O 2 H2O2 H 2 O 2 Na2B4O8
1 answer
asked anonymously
13 views
Which of the following is an empirical formula?
Responses C10H20 C 10 H 20 C24H2O2 C 24 H 2 O 2 C5H11 C 5 H 11 C12H24O12
1 answer
asked anonymously
11 views
The major air pollutant of coal-burning power plants is a colorless, pungent gaseous compound containing only sulfur and oxygen.
1 answer
asked anonymously
9 views
What is the empirical formula for CuSO4.4H2O
1 answer
asked anonymously
6 views
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Parent Categories (19)
Atomic Structure
Basic Concepts
Chemical Compounds
Chemical Formulas
Chemical Formulas and Composition
Chemical Formulas or Compound Analysis
Chemical Reactions
Chemical Reactions and Stoichiometry
Chemistry
Combustion Reactions
Compound Formulas
Compounds and Elements
elements and compounds
Formulas
Ionic compounds
Molecular Formulas
Molecules and Formulas
Organic Chemistry
Stoichiometry