Zanasteffournika Zanasteffournika

16-08-2016
Chemistry

contestada

A mixture was found to contain 1.50g of NH4CL, 0.80 g of NaCl, and 1.20 g of SiO2. What is the percentage of sand in this mixture?

Respuesta :

taskmasters taskmasters

20-08-2016

Percent in mass is the amount of a component per mass of the mixture. From the given components, SiO2 represents the sand. Therefore, the percentage of sand in the mixture is:

Percent sand = 1.20 g / (1.20 g + 1.50 g + 0.80 g) x 100%= 34.29% sand

Answer Link

Otras preguntas

If 2^(n + 1) = 8, what is the value of n ?

what cell fragments help the blood to clot

Animal cells and bacterial cells both may have all of the following cell structures except a. mitochondria. b. DNA. c. plasma membrane. d. ﬂagella.

graph: f(x)= 3sin(pi/3)(x+3)+2find:per:amp:Hor:Vert:D:R:

145 300 610 1230 In the above sequence every term after the first is formed by multiplying by x and then adding y, where x and y are positive integers. What is

graph: f(x)= 3sin(pi/3)(x+3)+2find:per:amp:Hor:Vert:D:R:

write an equation of the line with the same slope as the line given by 5x+2y=8 and as the same y-intercept as 3x-7y=10

In a certain game of 50 questions, the final score is calculated by subtracting twice the number of wrong answers from the total number of correct answers. If a

Solve by Substitutiony= -3/2x -4y= -1/2x =1

What is the doomsday book that was made by William the conqueror in the Norman period?