Chemistry, 24.06.2019 21:20 s1027

Asample of an unknown compound has a percent composition of 52.14% carbon, 13.13% hydrogen, and 34.73% oxygen. which compounds could the sample be? ch3ch3ch202 c2h5oh c4h10o2 c4h12o2 and ch3ch3ch2ooh

Answers: 3

Show answers

Answers

Answer from: caitlyn73

C₄H₁₀O₂

Explanation:

Parameters given:

Percentage composition of Carbon = 52.14%

Hydrogen = 13.13%

Oxygen = 34.73%

From the given data, we can simply obtain the empirical formula of the compound which is the simplest formula of the compound. From the empirical formula, we can check other combining ratios of the compound.

To find the empirical formula of the compound:

we first find the moles of the elements in the compound by dividing the mass percentages by the atomic mass of the atomswe then divide through by the smallest number of molesapproximate the result or multiply through by the a factor to give a whole number ratio.

Solution

C H O

% mass of elements 52.14 13.13 34.73

Moles 52.14/12 13.13/1 34.73/16

4.345 13.13 2.171

Dividing by the smallest 4.345/ 2.171 13.13/2.171 2.171/2.171

2 6 1

The empirical formula of the compound is expressed as C₂H₆O

The molecular formula would be any factor that would give whole number ratios. The simplest number would be 2:

Molecular formula = 2(C₂H₆O) = C₄H₁₂O₂

Answer from: Quest

the answer would be b i believe

Answer from: Quest

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 12:30, masteroftheuniverse3

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Answers: 2

continue

Chemistry, 22.06.2019 13:30, amandajbrewerdavis

Table sugar completely dissolved in water is an example of a?

Answers: 1

continue

Chemistry, 22.06.2019 18:10, bri9263

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

Answers: 3

continue

Chemistry, 22.06.2019 20:50, kris1920

What is the vapor pressure of a solution with a benzene to octane?

Answers: 2

continue

You know the right answer?

Asample of an unknown compound has a percent composition of 52.14% carbon, 13.13% hydrogen, and 34.7...