Question 1

Which of the following compounds is an Arrhenius base?

Accepted Answer

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

Question 2

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 3

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

Question 4

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

Question 5

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

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

Question 7

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

Question 8

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

Question 9

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

Question 10

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

Question 11

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

Question 12

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

Question 13

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 14

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

Question 15

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

Question 16

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

Question 17

Determine the oxidation state of nitrogen in NO.

Accepted Answer

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

Question 18

Determine the oxidation state of S in K2SO4.

Accepted Answer

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

Question 19

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

Question 20

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

Exam 9: Introduction to Solutions and Aqueous Reactions

Which of the following compounds is an Arrhenius base?

Correct AnswerverifiedD

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?

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

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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?

Correct AnswerverifiedShow Answer

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)

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following compounds is soluble in water?

Correct AnswerverifiedA

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

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

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

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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)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the name for an aqueous solution of HIO?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Determine the oxidation state of nitrogen in NO.

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Determine the oxidation state of S in K2SO4.

Correct AnswerverifiedD

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.

Correct AnswerverifiedShow Answer

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)

Correct AnswerverifiedShow Answer

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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?

Correct Answer
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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)

Correct Answer
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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?

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

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A

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

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

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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)

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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.

Correct Answer
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Determine the oxidation state of S in K₂SO₄.

Correct Answer
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D

Correct Answer
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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)

Correct Answer
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