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

HELP ME NOW PLZZZZZZ!!! Humans use natural resources in many ways. Which of these activities describes the most direct use of a natural resource? O taking a sho

A B C D _ F G fill in the blank * Its is not "E"

How did the ancient Greek and ancient Roman governments influence the government of the United States?

Sarah had a sheet of paper that was 3 inches long and 7 inches wide. What is the perimeter of the paper

If 3 kids can eat 3 ice cream cones in 3 minutes, how long will it take 60 kids to eat 60 ice cream cones?

If side 1 is 13, side 2 is 12, and side 3 is 18, can a triangle be made?

All of these people were blacklisted in the 1940s and 1950s. What is the MOST LIKELY reason for this?

4. Ionic compounds conduct electricity when they are in the __ state

A chemical process stream enters a shell-and-tube exchanger at a temperature of 200.0°Fand does two passes on the shell side, exiting the exchange at 170.0°F. T

The effort, not the actual accomplishment, is what allows one to learn life lessons and a greater sense of self-worth. Based on the purpose and tone of a persua