In a chemical reaction, which is the most likely reactant for these products?
? cao + co2
a. 3o2
b. co2
c. 2kcl
d. caco3

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity