19. If the reaction of 5.87 moles of potassium with excess hydrobromic acid produced an 84.89% yleld of hydrogen gas, what was the actual yield of hydrogen gas? Unbalanced equation: K+ HBr
KBr + H2 (2 points)
O 4.98 mol H2
O 3.47 mol H2
O 2.94 mol Hz
O 249 mol H2

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

Describe the interaction that occurs between two objects with the same electrical charge.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?