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

The answer to a strong research question leads to

Select the correct answers. Which three literary elements do writers use to "show" readers a story’s setting rather than "tell" them about it? (descriptive deta

Which was the most important political organization in Ancient Greece ?

Pls help will mark brainliest

Solve 9x-14-2x=5(2x-6)

Which of the following equations represents the distributive property? A 3×4 = 4×3; E 9×0 = 0; C5 times parens 3+4) equals 5×3+5×4; or D6 times (3 times two) eq

Which hybridization scheme occurs about phosphorus when nitrogen forms a triple bond?

Does this formula work for a circle with a radius of 3 inches show your work

Discuss how we are able to feel the sun's heat and see its brightness?

Sam is planting a garden that measures 6.5 feet in width and 9.8 feet in length. Which is the BEST estimation for the area of Sam's garden using a rational