Ca=40
C=12
O=16
1 mole of CaCO3 has 100 grams
So 50 grams is 0.5 mole
Answer:
Lewis was a person of law
Explanation:
Answer:
The science project or the proposed test using the water as a control element in the experiment determines whether you choose to use deionized water or distilled water. Of the two, distilled water is the purest because the water undergoes boiling that kills off most organic contaminants.
Explanation:
HELP ME ON MINE PLZ
Animal breeding is the process of selective mating of animals with desirable genetic traits, to maintain these traits in future generations.
Answer:

Explanation:
2Al₂O₃ ⟶ 4Al +3O₂
n/mol: 1.26
The molar ratio is 4 mol Al:2 mol Al₂O₃.
