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

What is the purpose of using the CARS Test

i need help and a right answer.

_______ is a very old drug that's used subcutaneously to prevent DVT in high-risk patients and intravenously to treat DVT and PE. A. Xarelto B. Heparin C

Need help please?):!!

please answer these two before 1:20 pm please!!! thank you!!!

Explain why a roller coaster’s second hill cannot be taller than the first hill.

Cual es la diferencia entre los estratos arboreo, arbustivo y herbaceo del bosque?

Lixin has three ribbons of lengths 160 cm, 192 cm and 240 cm respectively. She wishes to cut all the ribbons into equal number of pieces without any leftover ri

In 1916, the Ford Motor Company sold 500,000 Model T Fords at a price of $440. Henry Ford believed that he could increase sales of the Model T by 1,000 cars

Please help............... :)