Zinc + Hydrochloric Acid - Zinc Chloride and Hydrogen Gas Zn + 2HCI
ZnCl2 + Hz
I know there are 2 molecules of hydrochloric acid because there is

O a 2 in front of HCI
O a 2 behind the CI
O a 2 behind the H

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Why would a doctor most likely restrict a patient's contact with other people while the patient receives internal radiation

In a chemical reaction, the number of moles of the reactants a. should never be equal to the number of moles of the products. b. may or may not be equal to the number of moles of the products. c. depends on the amount of product that is formed. d. should always be equal to the number of moles of the products.