emilymadera emilymadera
  • 17-03-2020
  • Chemistry
contestada

The percent by mass of hydrogen in a compound that contains 2.45 g of hydrogen and 18.20 g of carbon is:

Respuesta :

benjaminjames101
benjaminjames101 benjaminjames101
  • 25-03-2020

Answer:

Total mass of the compound:=18.20+2.45

=20.65

Percentage by mass of hydrogen:=2.45÷20.65×100

=11.86%

Explanation:

Just follow the steps i have provided above

Answer Link

Otras preguntas

Graph the line with slope -3/4, passing through the points −3−3 .
What is half of 1/2, 3/4, 4, 1/4, 2, 2 1/2, 1, 1 1/2, and 1/2?!?!?!? PPPPPPLLLLLLLLLLZZZZZZZZZ HHHHHHEEEEEEELLLLLLLPPPPPPP!!!!!!!!!!!
There are 9 new books and 4 used books on a shelf. (a) What is the ratio of all books to new books? (b) What is the ratio of used books to all books?
A mother with A blood type and a father with B blood type produce a baby with AB blood type. This is an example of. A. a genetic mutation. B. codominance. C. an
One thing that stringed, wind, and percussion instruments have in common in regard to the sounds they produce is that a. the frequency is always a direct resul
HELP PLEASE!!! First read this poem to answer 1-9 ROSE POGONIAS A saturated meadow, Sun-shaped and jewel small, A circle scarcely wider Than the tress around we
You invest $7200 in two accounts paying 6% and 9% annual interest. at the end of the year, the accounts earn the same interest
What are the units for speed
What do zookeepers give pandas to keep them well-fed and happy
Please help me out on this thank you