Questions LLC
Login
or
Sign Up
Ask a New Question
Empirical Formula
Page 3
Questions (139)
a compound was analyzed and found to contain C,H,N,O, and Cl. When o.150g sample of this compound was burned, it produced 0.138
3 answers
asked by
Arnol
969 views
A sulfur-containing compound is decomposed and the products are collected over water according to this equation:
SxOy -> SO2(g) +
1 answer
asked by
Alyssa
922 views
I need help with this lab.
Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate:
4 answers
asked by
Nancy
926 views
An unknown compound contans only C, H, and O. Combustion of 5.70 g of this compound produced 11.4g of CO2 and 4.66g of H2O. What
3 answers
asked by
Jerry
897 views
A1.367g sample of an unknown organic compound is combusted with oxygen to give only 1.459 g H2o and 3.055 g of Co2. What is the
2 answers
asked by
Olga
891 views
2.241g sample of nickel reacts w oxygen to form 2.85g of the metal oxide. Calculate the empirical formula of the oxide?
6 answers
asked by
lizzie
824 views
An unknown compound contains carbon, hydrogen, and oxygen. When burned, a 2.000 gram sample of this compound releases 3.451 g of
7 answers
asked by
Mom
844 views
A 2.20 g-sample of a compound containing carbon, hydrogen, and oxygen is burned and it produces 4.61 g CO2 and 0.94 g H2O. What
5 answers
asked by
JORDAN
775 views
Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine
1 answer
asked by
deanna
711 views
What is the empirical formula of a compound that is 14 g calcium, 11 g oxygen, and 0.7 g hydrogen?
A. CaO2H B. Ca2OH2 C. CaOH D.
2 answers
asked by
Adam
588 views
Assume that some of the magnesium nitride is not completely converted to magnesium hydroxide and subsequently to magnesium
2 answers
asked by
Liliah
614 views
The odor of pineapple is due to the compound ethyl butyrate, which contains hydrogen, carbon, and oxygen. When 3.70g of ethyl
2 answers
asked by
Steward
596 views
What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using
3 answers
asked by
sarah
570 views
I would be grateful if someone could please review these and tell me if I am correct. Thanks!
1.What is the empirical formula for
2 answers
asked by
Mattt K
587 views
A 7.5 g sample of Cu(NO3)2.nH2O is heated. After the water has been driven off, 5.8 g of Cu(NO3)2 remains. What is the value of
3 answers
asked by
Dee
585 views
chemical analysis shows that citric acid contains 37.51% C, 420% H, and 58.29% O. What is the empirical formula for citric acid?
2 answers
asked by
john
523 views
2- Gases A2 and B2 react according to the equation: A2 + B2 → AxBy . If equimolar ( not necessarily stoichiometrically
2 answers
asked by
Ian
532 views
When is the term, formula unit, useful?
Is it when trying to figure out the empirical formula?
4 answers
asked by
Isaac
542 views
The empirical formula of an oxide of nitrogen containg 30.4 per cent of nitrogen is NO
2 answers
asked by
Princess
535 views
Suppose 0.500 g of sulfur combines with 1.00 g of copper. What is the empirical formula of the compound? The atomic mass of
2 answers
asked by
Catherine
518 views
What is the empirical formula of a compund composed of 3.25% hydrogen(H), 19.36% carbon(C) and 77.39% oxygen(O) by mass?
2 answers
asked by
Jerry
524 views
Hydrocarbon burn in excess oxygen yields 4.4g of carbon(iv)oxide and 2 of 7g of water. Find the empirical formula of hydrocarbon
2 answers
asked by
Prudent
515 views
What is the emperical formula of a compound that contains 0.04moles of sodium, 0.04moles of sulphur, and 0.06moles of oxygen?
2 answers
asked by
Allwell
499 views
A compound is 52.17 % C, 13.04 % H and 34.78 % O. What is its empirical formula?
2 answers
asked by
Nicole
474 views
How do I find the percent composition of
H2O: 20.14grams C2O4: 51.64grams Fe 3+: 11.34grams K^+: 15.06 grams and the empirical
4 answers
asked by
LT
496 views
A molecular compound has the empirical formula CH2. When 100mg of the compound is dissolved in 1.00 g of benzene, the solution
1 answer
asked by
Andrew
475 views
A compound isolated from oil of mint has a characteristic cool, refreshing odour. It is frequently used in cough drops to ease
1 answer
asked by
Chelsea
464 views
My questions keep getting cut off. What am I doing wrong? Here is my question again. Thanks for the help. What is the empirical
3 answers
asked by
Mattt K
461 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
447 views
Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. A 3.279
1 answer
asked by
Annabelle
457 views
1. The percent composition by mass for peroxyacylnitrate (PAN) is:19.8% C,2.5% N, and the rest is oxygen. Determine the
1 answer
asked by
irfan
434 views
The empirical formula of an organic compound is c1,H2,o.if the empirical formula mass of the compound is 30.find the percentage
1 answer
asked by
Mash
32 views
name the compound which contains 0.463g Ti (#81), 0.0544g of carbon,0.00685g of hydrogen and0 0.0725g of oxygen by finding its
1 answer
asked anonymously
20 views
what is the empirical formula for a compound which contains 67.1% zinc and the rest is oxygen
1 answer
asked anonymously
24 views
Which of the following is an empirical formula?
Responses H2O2 H 2 O 2 C18H36O2 C 18 H 36 O 2 Na2B4O8 Na 2 B 4 O 8 NaHCO3
1 answer
asked anonymously
11 views
The empirical formula in a compound is the _ whole number ratio of elements
Responses actual actual largest largest real real
1 answer
asked anonymously
13 views
What is the empirical formula of a compound that consists of 40.00% carbon, 6.71% hydrogen l, and the rest is oxygen
1 answer
asked anonymously
13 views
give the empirical formula and compound identity
% C % H % N % O Location Empirical Formula Compound Identity 81.80 6.11 0 12.09
1 answer
asked anonymously
8 views
C3H5N3O9 find empirical formula step by step
1 answer
asked anonymously
6 views
Pages
1
2
3
Parent Categories (19)
Chemical Analysis
Chemical Composition
Chemical Compositions
Chemical Compounds
Chemical Formula
Chemical Formulas
Chemical Reactions
Chemistry
Combustion Analysis
Compound Analysis
Compounds
Elemental Analysis
Formulas
Formulas and Equations
Lab calculations
Molecular Compounds
Molecules
Organic Chemistry
Stoichiometry