Question 1

Which of the following compounds is soluble in water?

Accepted Answer

A)  CaS 
B)  MgCO3 
C)  Pb I2 
D)  SrSO4 
E)  None of these compounds is soluble in water. 
A)  CaS 
B)  MgCO3 
C)  Pb I2 
D)  SrSO4 
E)  None of these compounds is soluble in water. A

Question 2

Determine the oxidation state of S in K2SO4.

Accepted Answer

A)  -4 
B)  +2 
C)  +4 
D)  +6 
E)  -2 
A)  -4 
B)  +2 
C)  +4 
D)  +6 
E)  -2 D

Question 3

Which of the following compounds is an Arrhenius base?

Accepted Answer

A)  C6H12O6 
B)  HOCl 
C)  H2SO4 
D)  C3H7NH2 
A)  C6H12O6 
B)  HOCl 
C)  H2SO4 
D)  C3H7NH2 D

Question 4

How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.217 M CsOH?
HI(aq)+ CsOH(aq)→ CsI(aq)+ H2O(l)

Accepted Answer

A)  0. 0158 mL 
B)  0.101 mL 
C)  9.86 mL 
D)  63.4 mL 
A)  0. 0158 mL 
B)  0.101 mL 
C)  9.86 mL 
D)  63.4 mL

Question 5

How many grams of NaOH (MW = 40.0)are there in 500.0 mL of a 0.175 M NaOH solution?

Accepted Answer

The answer of How many grams of NaOH (MW =...

Question 6

What is the concentration of NO3- ions in a solution prepared by dissolving 15.0 g of Ca(NO3)2 in enough water to produce 300.mL of solution?

Accepted Answer

A)  0. 152 M 
B)  0. 305 M 
C)  0. 403 M 
D)  0.609 M 
A)  0. 152 M 
B)  0. 305 M 
C)  0. 403 M 
D)  0.609 M

Question 7

What is the name for an aqueous solution of HIO?

Accepted Answer

A)  hydroiodic acid 
B)  hypoiodous acid 
C)  iodous acid 
D)  iodic acid 
E)  periodic acid 
A)  hydroiodic acid 
B)  hypoiodous acid 
C)  iodous acid 
D)  iodic acid 
E)  periodic acid

Question 8

How many sodium ions are present in 125.0 mL of 0.750 M Na3PO4 solution?

Accepted Answer

A)  4.31 × 1021 ions 
B)  5.66 × 1022 ions 
C)  3.08 × 1024 ions 
D)  1.69 × 1023 ions 
E)  7.53 × 1022 ions 
A)  4.31 × 1021 ions 
B)  5.66 × 1022 ions 
C)  3.08 × 1024 ions 
D)  1.69 × 1023 ions 
E)  7.53 × 1022 ions

Question 9

Determine the oxidation state of nitrogen in NO.

Accepted Answer

A)  +5 
B)  +3 
C)  0 
D)  +2 
E)  +4 
A)  +5 
B)  +3 
C)  0 
D)  +2 
E)  +4

Question 10

According to the following reaction,how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LiOH solution? Assume that there is excess FeCl2.
FeCl2(aq)+ 2 LiOH(aq)→ Fe(OH)2(s)+ 2 LiCl(aq)

Accepted Answer

A)  3.97 × 10-2 moles 
B)  2.52 × 10-2 moles 
C)  1.99 × 10-2 moles 
D)  5.03 × 10-2 moles 
E)  6.49 × 10-2 moles 
A)  3.97 × 10-2 moles 
B)  2.52 × 10-2 moles 
C)  1.99 × 10-2 moles 
D)  5.03 × 10-2 moles 
E)  6.49 × 10-2 moles

Question 11

When 7.80 mL of 0.500 M AgNO3 is added to 6.25 mL of 0.300 M NH4Cl,how many grams of AgCl are formed?
AgNO3(aq)+ NH4Cl(aq)→ AgCl(s)+ NH4NO3(aq)

Accepted Answer

A)  0.269 g 
B)  0.553 g 
C)  0.822 g 
D)  1.61 g 
A)  0.269 g 
B)  0.553 g 
C)  0.822 g 
D)  1.61 g

Question 12

Which of the following compounds will undergo a gas-evolving reaction in an aqueous solution?

Accepted Answer

A)  CH3COOH 
B)  HF 
C)  HCl 
D)  H2SO4 
E)  H2CO3 
A)  CH3COOH 
B)  HF 
C)  HCl 
D)  H2SO4 
E)  H2CO3

Question 13

A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150.mL of solution.She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0 mL of a final solution.What is the concentration of KOH for the final solution?

Accepted Answer

A)  0. 411 M 
B)  0. 534 M 
C)  1.87 M 
D)  2.43 M 
A)  0. 411 M 
B)  0. 534 M 
C)  1.87 M 
D)  2.43 M

Question 14

Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO3)2 solution to 150.0 mL.

Accepted Answer

A)  1.13 M 
B)  0.0887 M 
C)  0.0313 M 
D)  0.0199 M 
E)  0.0501 M 
A)  1.13 M 
B)  0.0887 M 
C)  0.0313 M 
D)  0.0199 M 
E)  0.0501 M

Question 15

How many carbonate ions are present in 30.0 mL of 0.600 M H2CO3 solution?

Accepted Answer

A)  3.25 × 1022 ions 
B)  2.17 × 1022 ions 
C)  1.08 × 1022 ions 
D)  5.42 × 1022 ions 
E)  3.61 × 1021 ions 
A)  3.25 × 1022 ions 
B)  2.17 × 1022 ions 
C)  1.08 × 1022 ions 
D)  5.42 × 1022 ions 
E)  3.61 × 1021 ions

Question 16

What is the concentration (M)of C   OH in a solution prepared by dissolving 3.96 g of C   OH in sufficient water to give exactly 230 mL of solution?

Accepted Answer

The answer of What is the concentration (M)of C ...

Question 17

If the reaction of phosphate ion with water is ignored,what is the total concentration of ions in a solution prepared by dissolving 7.00 g of K3PO4 in enough water to make 350.mL of solution?

Accepted Answer

A)  0.0 236 M 
B)  0. 0943 M 
C)  0. 377 M 
D)  0. 754 M 
A)  0.0 236 M 
B)  0. 0943 M 
C)  0. 377 M 
D)  0. 754 M

Question 18

How many moles of Na I are required to make 250 mL of a 3.00 M solution?

Accepted Answer

A)  750 moles 
B)  0.750 moles 
C)  3 moles 
D)  0.250 moles 
A)  750 moles 
B)  0.750 moles 
C)  3 moles 
D)  0.250 moles

Question 19

How many grams of AgNO3 are needed to make 250.mL of a solution that is 0.155 M?

Accepted Answer

A)  0.105 g 
B)  0.152 g 
C)  6.58 g 
D)  105 g 
A)  0.105 g 
B)  0.152 g 
C)  6.58 g 
D)  105 g

Question 20

A stock solution of   is prepared and found to contain 12.1 M of   .If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L,the concentration of the diluted solution is ________ M.

Accepted Answer

A)  0.242 
B)  1.65 
C)  0.605 
D)  605 
E)  242 
A)  0.242 
B)  1.65 
C)  0.605 
D)  605 
E)  242

Exam 9: Introduction to Solutions and Aqueous Reactions

Which of the following compounds is soluble in water?

Determine the oxidation state of S in K2SO4.

Which of the following compounds is an Arrhenius base?

How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.217 M CsOH? HI(aq)+ CsOH(aq)→ CsI(aq)+ H2O(l)

How many grams of NaOH (MW = 40.0)are there in 500.0 mL of a 0.175 M NaOH solution?

What is the concentration of NO3- ions in a solution prepared by dissolving 15.0 g of Ca(NO3)2 in enough water to produce 300.mL of solution?

What is the name for an aqueous solution of HIO?

How many sodium ions are present in 125.0 mL of 0.750 M Na3PO4 solution?

Determine the oxidation state of nitrogen in NO.

According to the following reaction,how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LiOH solution? Assume that there is excess FeCl2. FeCl2(aq)+ 2 LiOH(aq)→ Fe(OH)2(s)+ 2 LiCl(aq)

When 7.80 mL of 0.500 M AgNO3 is added to 6.25 mL of 0.300 M NH4Cl,how many grams of AgCl are formed? AgNO3(aq)+ NH4Cl(aq)→ AgCl(s)+ NH4NO3(aq)

Which of the following compounds will undergo a gas-evolving reaction in an aqueous solution?

A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150.mL of solution.She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0 mL of a final solution.What is the concentration of KOH for the final solution?

Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO3)2 solution to 150.0 mL.

How many carbonate ions are present in 30.0 mL of 0.600 M H2CO3 solution?

What is the concentration (M)of C OH in a solution prepared by dissolving 3.96 g of C OH in sufficient water to give exactly 230 mL of solution?

If the reaction of phosphate ion with water is ignored,what is the total concentration of ions in a solution prepared by dissolving 7.00 g of K3PO4 in enough water to make 350.mL of solution?

How many moles of Na I are required to make 250 mL of a 3.00 M solution?

How many grams of AgNO3 are needed to make 250.mL of a solution that is 0.155 M?

A stock solution of is prepared and found to contain 12.1 M of .If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L,the concentration of the diluted solution is ________ M.

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

Determine the oxidation state of S in K₂SO₄.

How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.217 M CsOH? HI(aq)+ CsOH(aq)→ CsI(aq)+ H₂O(l)

What is the concentration of NO₃^- ions in a solution prepared by dissolving 15.0 g of Ca(NO₃)₂ in enough water to produce 300.mL of solution?

How many sodium ions are present in 125.0 mL of 0.750 M Na₃PO₄ solution?

According to the following reaction,how many moles of Fe(OH)₂ can form from 175.0 mL of 0.227 M LiOH solution? Assume that there is excess FeCl₂. FeCl₂(aq)+ 2 LiOH(aq)→ Fe(OH)₂(s)+ 2 LiCl(aq)

When 7.80 mL of 0.500 M AgNO₃ is added to 6.25 mL of 0.300 M NH₄Cl,how many grams of AgCl are formed? AgNO₃(aq)+ NH₄Cl(aq)→ AgCl(s)+ NH₄NO₃(aq)

Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO₃)₂ solution to 150.0 mL.

How many carbonate ions are present in 30.0 mL of 0.600 M H₂CO₃ solution?

If the reaction of phosphate ion with water is ignored,what is the total concentration of ions in a solution prepared by dissolving 7.00 g of K₃PO₄ in enough water to make 350.mL of solution?

How many grams of AgNO₃ are needed to make 250.mL of a solution that is 0.155 M?