samuelbonnett161 samuelbonnett161

24-05-2021
Chemistry

contestada

What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?

Respuesta :

javeriam javeriam

24-05-2021

The empirical formula is C₃H₃O.

Moles of C = 65.5/12.01
= 5.45 mol C
Moles of H = 5.5/1
= 5.5 mol H
Moles of O = 29.0/16
= 1.81 mol H
Moles of C: Moles of H: Moles of O =5.45: 5.5: 1.81 =
3.01: 3.0: 1 ≈ 3:3: 1
The empirical formula is C₃H₃O.

Answer Link

Otras preguntas

Can anyone help me please

Find the value of A that makes the following equation true for all values of x. 2^x=A^(x/12)

Southeast Asia and Australia are sandwiched between the Pacific Ocean on one side and the Indian Ocean.Which cardinal direction is the Indian Ocean located if y

A teacher puts five packages of craft paper into a cabinet each package has 80 sheets of paper what is the total number of sheets of craft paper that the teache

Lenny bought an ice cream bar for $1.85 and an ice pop for $1.25. He gave the cashier $4.00. How much change should Lenny get back?A) $0.20B) $0.35 C) $0.75 D)$

What kind of trees are used for Northwest Native totem poles? A. Pine B. Any types C. Cedar D. Palm

Under what circumstances, if any, do you think a citizen in a representative democracy has the right to engage in civil disobedience? Explain your position.

The bricks used to build these structures were fired in a kiln, not sun-dried as in Mesopotamia. The Harappa and Mohenjo-Daro also had large community _________

While playing at a local playground with her mom, Allison was frightened by a dog that ran up and jumped on top of her, so she started to cry. A few weeks later

What is the significance of the march? Why did it mean so much to Quinn, Rashad, and Spoony? How about the rest of the characters? Why do people protest? Do you