3. Chemical Reactions

When 3 moles of hydrogen gas (H_2) react completely with 3 moles of oxygen gas (O_2) according to the equation 2H_2 + O_2 → 2H_2O, how many grams of water (H_2O) are produced?

What is the first step you must take to solve a stoichiometric problem?

When 0.100 moles of bromine (Br_2) react with excess hydrogen gas (H_2) according to the equation Br_2 + H_2 → 2 HBr, how many grams of HBr will be produced?

Which of the following would NOT be studied within the topic of stoichiometry?

What volume of 0.242 M H2SO4 is needed to completely react with 56.8 mL of 0.120 M NaOH according to the equation H2SO4(aq) + 2NaOH(aq) → Na2SO4(aq) + 2H2O(l)?

In a stoichiometric reaction, what is the primary purpose of adding Na2CO3 to the reaction mixture?

When 10.0 g of NaCl is added to an aqueous solution containing excess AgNO3, what mass of AgCl will precipitate?

Which of the following will result in exactly 1.00 mole of sodium chloride (NaCl)?

When 1 mol of Al2(CO3)3 completely dissociates in water, how many moles of ions are produced?

When 10.0 g of calcium carbonate (CaCO_3) is heated, what mass of carbon dioxide (CO_2) is produced?

How many grams of NH_3 are needed to provide the same number of molecules as in 0.15 g of SF_6?

When 130 grams of zinc (Zn) reacts with excess silver nitrate (AgNO_3) according to the equation Zn + 2AgNO_3 → Zn(NO_3)_2 + 2Ag, how many moles of silver (Ag) are produced?

If you have 9 moles of CaCl2 and an excess of Na3PO4, how many moles of NaCl can be produced according to the following reaction?CaCl2 + Na3PO4 → Ca3(PO4)2 + NaCl

In the reaction CH_4 + 2 O_2 → CO_2 + 2 H_2O, how many grams of CO_2 are produced when 125 g of O_2 react with excess CH_4?

When 10.0 g of AgNO3 is added to an aqueous solution containing excess NaCl, what mass of AgCl will precipitate? (Assume complete reaction and that AgNO3 is the limiting reagent.)