broo5kekarenassie broo5kekarenassie

12-12-2016
Chemistry

contestada

If you had a mixture that was found to contain 1.05g SiO2, 0.69g Cellulose and 1.82g Calcium Carbonate. What percentage calcium carbonate is in the mixture?

Respuesta :

scme1702 scme1702

12-12-2016

Percentage by mass = (mass of substance / total mass) x 100
= 1.82 / (1.05 + 0.69 + 1.82) x 100
= 51.1% if Calcium Carbonate

Answer Link

Otras preguntas

Which compounds are isomers of each other? a.methanol and methanal b.propanoic acid and pentanoic acid c.1-propanol and 2-propanol d.1-chloropropane and 2-bromo

NEED HELP . THANKS FOR ALL THE HELP

The scale of two similar solids is 6:13. Determine the following: the ratio of their corresponding areas and the volume of the larger solid if the volume of the

Sandra needs to buy meters of chain for a home project. Which decimal number is equal to the fraction ? 8.4 8.04 0.84 0.804 NEED HELP ASAP

fossils up to 75,000 years old can be with

Mary accidentally ate poison mushrooms that contain muscarine. what symptoms would you expect to observe?

Mr.Giarmo left for work at 7:15 a.m. 25 minutes later he arrived at his work what timeMr.Giarmo arrive at his work

What value of c makes x^2+6x+c a perfect square trinomal

BRAINLIESTTTT ASAP! Describe the role of stomata in photosynthesis. Describe the role of chloroplasts in photosynthesis.

The essence of an ad’s message is called a A. Rhetorical situation B. Target audience C. Product campaign D. Communications objective