staceyh1897 staceyh1897

09-11-2020
Chemistry

contestada

Calculate the percent composition by mass of each element in Al(OH)3.Al(OH)3. Use at least three significant figures.

Respuesta :

11-11-2020

Answer:

Explanation:

Al(OH)₃

Total molecular weight = 27 + 3 x ( 16+1)

= 78

Al = 27

% of Al = 27 x 100 / 78 = 34.61%

O = 48

% of O = 48 x 100 / 78 = 61.55 %

H = 3

% of H = 3 x 100 / 78

= 3.84%

Al = 34.61%.

O = 61.55%.

H = 3.84%.

Answer Link

Otras preguntas

How can I simplify this monomial?

The G.I. Bill was created because government officials worried that huge numbers of veterans without _____________ would be a strain on the economy. A. pensi

Why does binomial nomenclature use Latin?

How can you alter your body type? A. By taking medication. B. You can't - your body type is made up of factors you can't change, like your bone structure

HELP ME PLEASSSSSEEEEE!!! Nela randomly selects a card from a standard deck of cards. What is the probability she selects a red queen? A.) 1/2 B.) 1/13 C.

What’s the correct answer

If your cell phone bill was 67 Point $82 and there is a 7.5% late fee how much will your bill be with the late fee included

Which of the following interpretations of progressivism would most likely support this excerpt?

Which country acquired Guyana?

Which term refers to the cash in circulation that people and businesses use for ordinary transactions?