breetaylorw breetaylorw

18-12-2018
Chemistry

contestada

HELP! What is the percent composition of carbon in caffeine (C₈H₁₀N₄O₂)? Show your work

Respuesta :

KidSavage13 KidSavage13

18-12-2018

Caffeine has the following percent composition: carbon 49.48%, hydrogen 5.19%, oxygen 16.48% and nitrogen 28.85%. Its molecular weight is 194.19 g/mol.

Answer Link

Otras preguntas

During an interview for a sales position at cart-logistics inc., a candidate is asked about what he would do to regain business with a client whose consignment

The functions graphed show the snowfall, in inches, in two cities after x hours. Select each correct answer. Middletown had a faster rate of snowfall. Smithvil

if a match were placed in the cone close to the barrel of the gas burner will it ignite

"determine the probability that a 52-years old, selected at age 40, survives for 8 years"

My nickname is iron hand I lost my hand and enable bowel and replaced it with an iron hook I sisters LaSalle and explore in the lower Mississippi river valley i

Which molecule has a central atom that uses the set of hybrid orbitals shown below to form bonds with the non-central atoms?

What happened when president harry truman seized control of industry during the korean war?

1. Four students volunteer at the hospital. Casey volunteers 20.7 hours, Danielle, 20 3/4 hours, javier 18 9/10 hours, and forrest, 20 18/25 hours. Who volonute

How are instantaneous speed and average speed related for an object with constant speed?

Which is a likely result of taking LSD?