In a balanced chemical reaction, the total mass of the products always equals the
select one:
a. proportional masses of the reactants.
b. molar mass of the reactants.
c. total mass of the reactants.
d. atomic mass of the reactants.

What forms when chemical reactions combine pollution with sunlight?

Which three statements represent the benefits of performing experiments using computer simulations?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ