Stoichiometry Review 1.Write the equation for a reaction between Ca(OH) 2 and NaCl Unbalanced: Ca(OH) 2 + NaCl  CaCl 2 + NaOH Balanced: 1 Ca(OH) 2 + 2.

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Presentation transcript:

Stoichiometry Review 1.Write the equation for a reaction between Ca(OH) 2 and NaCl Unbalanced: Ca(OH) 2 + NaCl  CaCl 2 + NaOH Balanced: 1 Ca(OH) NaCl  1 CaCl NaOH

Stoichiometry Review 2.How many grams of CaCl 2 will form if 23 grams of NaCl react with excess Ca(OH) 2 ? 22g CaCl 2

Stoichiometry Review 3.How many grams of Ca(OH) 2 are needed to produce 16 grams of NaOH? 15g Ca(OH) 2

Stoichiometry Review 4.How many moles of NaCl will be needed to react completely with 35 grams of Ca(OH) 2 ? 0.94 mol NaCl

Stoichiometry Review 5.How many liters of NaOH will form from reacting 155g of NaCl with excess Ca(OH) 2 (the density of NaOH solid is 2130 g/L)? L NaOH

Stoichiometry Review 6.How many grams of NaOH are produced from consuming 1.45 L of 1.06M NaCl? 61.5 g NaOH

Stoichiometry Review 7.How many grams of water will form from reacting 2.8 L of Hydrogen gas at STP with excess oxygen? Balanced equation: 2 H O 2  2 H 2 O 2.3 g H 2 O

Stoichiometry Review 8.How many liters of water vapor will form from reacting 14.8L of Oxygen gas with excess Hydrogen (assuming all gases are at the same T and P)? 29.6 L H 2 O

Stoichiometry Review 9.How many molecules of hydrogen will be consumed when 0.14 liters of water vapor have formed with a density of 9.96 g/L? 4.7 x molecules H 2

Stoichiometry Review 10.How many liters of liquid water (density of 1000.g/L) will form from reacting 0.95 L of Oxygen gas at STP with excess hydrogen? L H 2 O

Stoichiometry Review 11.How many liters of Oxygen will react with 5.87L of Hydrogen gas (assuming both are at the same T and P)? 2.94 L O 2

Stoichiometry Review 12.How many liters of Hydrogen (with a density of g/L) will be consumed when 1.93 x molecules of water vapor have formed? 14.5 L H 2

Stoichiometry Review 13.How many liters of CaCl 2 will form from reacting L of M NaCl with excess Ca(OH) 2 (the density of CaCl 2 solid is 2149 g/L)? 2 NaCl + Ca(OH) 2  CaCl NaOH L CaCl 2

Stoichiometry Review 14.How many kilograms of precipitated Aluminum Carbonate are produced from reacting 14.9 L of 2.65 M Aluminum Nitrate with excess Ammonium Carbonate? 2Al(NO 3 ) 3 + 3(NH 4 ) 2 CO 3  1Al 2 (CO 3 ) 3 + 6NH 4 NO kg Al 2 (CO 3 ) 3

Stoichiometry Review 15.How many Liters of Carbon Dioxide at STP are produced from decomposing g of Aluminum Carbonate? 1Al 2 (CO 3 ) 3  1Al 2 O 3 + 3CO L CO 2

Stoichiometry Review 16.How many Liters of Carbon Dioxide will react with 46.4 L of H 2 gas at the same temperature and pressure to produce CH 4 and H 2 O? CO 2 + 4H 2  1 CH 4 + 2H 2 O 11.6 L CO 2