Asked by Monte;

a. How many moles of Na2Co3 were present in the 15mL sample?
b. How many grams of Na2CO3 were present in the 15mL sample?
c.How many grams of Na2CO3 are present in the 575L of the Na2CO3 solution?

Answered by DrBob222
You posted the questions but no data.
Answered by Monte;
DrBoB222 you responds in unknown
Answered by DrBob222
Please review what you have posted. You have no data upon which to base an answer. Questions but no data.
Answered by Monte;
This is a Lab Stoichiometry and Gravimetric Analaysis

Balance equation:
Na2CO3 + CaCl2 ---> CaCO3 + 2NaCl

Precipitate(?): Not Sure
Na2CO3 + CaCl2
Calculate the mass of the dry precipitate and the number of moles of precipitate produced ine the reactation?

Empirical Formula(?):
?


Answered by DrBob222
answered above.
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