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

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

What are two possible measures of the angle below? On a coordinate plane, 2 rays form an angle. One ray sits on the x-axis in quadrant 1 and another sits on the

Justine has just started a company that makes notebooks and other stationery items out of recycled materials. She has decided to use a profit orientation, and w

help helppp pleasee

Write and equation for vertical translation y=2/3x ; 3 units down

Suppose that Barack and Michelle are duopolists. Barack is producing 300 units of output, and Michelle is producing 400 units of output. When Michelle produces

Identify the slope and y-intercept of the line −2x+5y=−30.

Jose Canseco hit three fifth-deck home runs at SkyDome/Rogers Centre during his career, including the first ever at the stadium in 1989. That first homer is lis

Assume a person saves $62 a month by using coupons and doing comparison shopping. a. What is the amount of annual savings? b. What would be the future value of

A 2-yard piece of ribbon costs $32.04. What is the price per foot?

Which gland controls blood glucose levels? A. Testes B. Ovaries C. Thymus D. Pancreas