Lishh7198 Lishh7198

26-02-2020
Chemistry

contestada

Portland cement contains some SiO2. Calculate the mass percent composition of silicon in this compound. (enter the percentage with 3 significant figures)

Respuesta :

fahadisahadam fahadisahadam

27-02-2020

Answer: 46.7%

Explanation:

in the attachment

Ver imagen fahadisahadam

Answer Link

Otras preguntas

8. Which sentence from paragraph 1 contains one of the author's main claims? A "Probably you have to go down several coal-mines before you can get much grasp of

Why did the scapegoating of Jewish people happen during these times of political and economic trouble in Germany?

a projectile is launched in the air from the ground with an initial velocity v0=72 m/s. what the maximum height that projectile reaches? (give your answer to th

Which of the following is more soluble in water, ethanol (C2H5OH) or CHBr3. Don't try to type the subscripts, just use letters and numbers. In depth explanation

Find the length of the third side. If necessary, round to the nearest tenth. 11 16

What’s the last A in S.A.R.A

question 3 how long will it take to transfer a file size of 1gb on a usb 2.0 and a usb 3.0 drive?

Which mixed number is greater than -6 5/8 -6 7/8 -6 5/6 -6 1/2 -6 2/3

determine the volume of the following spheres with the given dimensions. to break the code find the mean of all your answers. round your answers to the hundreth

Given the ellipse : (x-3)? 16 + (y-1) 9 = 1 (a) Graph the ellipse and label the coordinates of the center, the vertices and the end points of the minor axis on