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1. 123 mL of a 1.00 M solution of NaCI is mixed with 72.5 ml of a 2.71 M solution of AGNO,. What is the mass of AgCl(s) formed in the precipitation reaction? AGNO:(aq) • NaCi(aq) AgCi(a) • NaNO:(aq)

1. 123 mL of a 1.00 M solution of NaCI is mixed with 72.5 ml of a 2.71 M solution of AGNO,. What is the mass of AgCl(s) formed in the precipitation reaction? AGNO:(aq) • NaCi(aq) AgCi(a) • NaNO:(aq)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Activity 3: THINK ABOUT IT! Directions: Solve the following simple stoichiometry problems. 1. 123 mL of a 1.00 M solution of NaCl is mixed with 72.5 mL of a 2.71 M solution of AGNO,. What is the mass of AgCl(s) formed in the precipitation reaction? AGNO:(aq) + NaCi(aq) + AgCl(e) + NaNO:(aq) 2. What volume (mL) of 0.70 M Sodium hydroxide (N2OH) is needed neutralize 270 ml of 0.40 M Sulfuric acid (H,SO.)? 2 N2OH + H;SO Na,So, + 2 H,O 148 NOTE: Practice personal hygiene protocols at all imes 3. Hydrogen gas can be produced through the following reaction. Mg(s) + 2HCI(aq) → MgCla{aq) + Ha(g) a. How many grams of HCI are consumed by the reaction of 2.50 moles of magnesium? b. What is the mass in grams of Hz gas when 4.0 moles of HCI is added to the reaction? 4. Acetylene gas (C:H2) is produced as a result of the following reaction. CaC:(s) + 2H:0(1) → CaH:(g) + Ca(OH)=(aq) a. If 3.20 moles of CaCz are consumed in this reaction, how many grams of H0 are needed? b. How many grams of Ca(OH)z would be formed with 3.20 moles of CaCa? 5. Laughing gas (nitrous oxide, NO) is sometimes used as an anesthetic in dentistry. It is produced when ammonium nitrate is decomposed according to the following reaction. NHNO:(9) > NO(g) + 24,0M) a. How many moles of NH«NOs are required to produce 33.0g of N:O? b. How many moles of water are produced with 45.0g of N:O?
Transcribed Image Text:Activity 3: THINK ABOUT IT! Directions: Solve the following simple stoichiometry problems. 1. 123 mL of a 1.00 M solution of NaCl is mixed with 72.5 mL of a 2.71 M solution of AGNO,. What is the mass of AgCl(s) formed in the precipitation reaction? AGNO:(aq) + NaCi(aq) + AgCl(e) + NaNO:(aq) 2. What volume (mL) of 0.70 M Sodium hydroxide (N2OH) is needed neutralize 270 ml of 0.40 M Sulfuric acid (H,SO.)? 2 N2OH + H;SO Na,So, + 2 H,O 148 NOTE: Practice personal hygiene protocols at all imes 3. Hydrogen gas can be produced through the following reaction. Mg(s) + 2HCI(aq) → MgCla{aq) + Ha(g) a. How many grams of HCI are consumed by the reaction of 2.50 moles of magnesium? b. What is the mass in grams of Hz gas when 4.0 moles of HCI is added to the reaction? 4. Acetylene gas (C:H2) is produced as a result of the following reaction. CaC:(s) + 2H:0(1) → CaH:(g) + Ca(OH)=(aq) a. If 3.20 moles of CaCz are consumed in this reaction, how many grams of H0 are needed? b. How many grams of Ca(OH)z would be formed with 3.20 moles of CaCa? 5. Laughing gas (nitrous oxide, NO) is sometimes used as an anesthetic in dentistry. It is produced when ammonium nitrate is decomposed according to the following reaction. NHNO:(9) > NO(g) + 24,0M) a. How many moles of NH«NOs are required to produce 33.0g of N:O? b. How many moles of water are produced with 45.0g of N:O?
Activity 2: SIMPLE STOICHIOMETRY Directions: Solve the following stoichiometry grams – grams problems. The combustion of a sample of butane, CAH10 (lighter fluid), produced 2.64 grams of water. 2 CAH10 + 1302 8CO2 + 10H2O a. How many moles of water formed? 147 NOTE: Practice personal hygiene protocols at all times b.How many moles of butane burned? c. How many grams of butane burned? d. How much oxygen was used up in moles? e. How much oxygen was used up in grams?
Transcribed Image Text:Activity 2: SIMPLE STOICHIOMETRY Directions: Solve the following stoichiometry grams – grams problems. The combustion of a sample of butane, CAH10 (lighter fluid), produced 2.64 grams of water. 2 CAH10 + 1302 8CO2 + 10H2O a. How many moles of water formed? 147 NOTE: Practice personal hygiene protocols at all times b.How many moles of butane burned? c. How many grams of butane burned? d. How much oxygen was used up in moles? e. How much oxygen was used up in grams?
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