I believe it is 65.37.
Let me know if this is correct. Also good luck!!
The continent rest on massive slabs of rocks called tectonics
Manipulation of the independent variable should change the dependent variable, the value of which "depends" on the independent variable's change in value.
Answer:
0.4 moles
Explanation:
To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.
40gCaCO3* 1mol CaCO3/100.09gCaCO3 = 0.399640 mol CaCO3
This rounds to 0.4 moles CaCO3
