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

Susan uses the following equation to determine how much a taxi ride is going to cost her, where m is the number of miles traveled during the trip. $7.00 + $2.20

can someone help me

Alina was called up to the front of her anatomy class and was asked to stand in the anatomical position. She was standing with her head facing forward, her legs

what made the people want to leave Jamestown

like water for chocolate

does anyone know these?? please help :(

The producer in an energy pyramid contains about 1,000 kcal of energy. About how much of this energy is used by the producer or lost as heat to the environment?

N How long would it take a runner to travel 4 miles if they ran at a pace of 2.3 miles/hour? (10 Points) O 9.2 hours O 0.575 hours O 2.35 hours O 1.739 hours

Betsy is training for a half marathon. She has been increasing her running distance every week and tracking her heart rate during each run. She is currently run

Marcos es el primer gerente de su familia