If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities...

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If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1 2 3 4 5 20% 20% 20% 20% 20% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 0.0750 M in H + , 0.0750 M in Br - , 0.0250 M in K + 2. 0.0500 M in H + , 0.0750 M in Br - , 0.0500 M in K + 3. 0.0500 M in H + , 0.0750 M in Br - , 0.0250 M in K + 4. 0.0667 M in H + , 0.100 M in Br - , 0.0333 M in K + 5. 0.0500 M in H + , 0.100 M in Br - , 0.100 M in K +

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Transcript of If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities...

Page 1: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution?

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1. 0.0750 M in H+, 0.0750 M in Br-, 0.0250 M in K+

2. 0.0500 M in H+, 0.0750 M in Br-, 0.0500 M in K+

3. 0.0500 M in H+, 0.0750 M in Br-, 0.0250 M in K+

4. 0.0667 M in H+, 0.100 M in Br-, 0.0333 M in K+

5. 0.0500 M in H+, 0.100 M in Br-, 0.100 M in K+

Page 2: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

A 0.742-gram sample of KHP, KC6H4(COO)(COOH), reacts with 35.0 mL of Ba(OH)2 solution. What is the molarity of the Ba(OH)2 solution?

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1. 0.127 M

2. 0.0636 M

3. 0.0520 M

4. 0.208 M

5. 0.104 M

Page 3: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

Calculate the normality of a solution that contains 4.5 g of (COOH)2 in 3000. mL of solution. (Assume the (COOH)2 is to be completely neutralized.)

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1. 0.033 N

2. 0.045 N

3. 0.066 N

4. 0.090 N

5. 0.12 N

Page 4: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

A solution of H2SO4 contains 9.11 mg of H2SO4 per mL. What is the normality of the solution? (Assume the H2SO4 is to be completely neutralized by a base.)

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1. 0.0482 N

2. 0.684 N

3. 0.186 N

4. 0.372 N

5. 0.0930 N

Page 5: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

How many equivalent weights of phosphoric acid are contained in 500. mL of 2.00 M phosphoric acid? (Assume the acid is to be completely neutralized by a base.)

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1. 1.00 eq

2. 2.00 eq

3. 3.00 eq

4. 4.00 eq

5. 6.00 eq

Page 6: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

What mass of NaOH would be required to neutralize the acid in 75.0 mL of 0.880 N HCl?

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1. 2.64 g

2. 5.28 g

3. 2.6 kg

4. 3.83 g

5. 6.60 g

Page 7: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

If 20.8 mL of Ba(OH)2solution reacts with 0.306 g of KHP, KC6H4(COO)(COOH), what is the normality of the Ba(OH)2 solution?

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1. 0.0361 N

2. 0.144 N

3. 0.300 N

4. 0.175 N

5. 0.0721 N

Page 8: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

What is the oxidation number of phosphorus in KH2PO4?

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1. +1

2. +2

3. +3

4. +4

5. +5

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What is the oxidation number of P in the H2PO4

-ion?

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1. -3

2. +2

3. +3

4. +4

5. +5

Page 10: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

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1. 20

2. 22

3. 26

4. 29

5. 32

Page 11: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

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1. 27

2. 29

3. 31

4. 33

5. 35

Page 12: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

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1. 20

2. 22

3. 24

4. 26

5. 28

Page 13: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

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1. 52.3%

2. 56.6%

3. 60.8%

4. 64.5%

5. 69.2%

Page 14: If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 M KOH solutions are mixed, what are the molarities of the ions in the resulting solution? 1234567891011121314151617181920.

A solution of Fe(NH4)2(SO4)2 · 6H2O containing 2.10 grams of the compound is titrated with acidic Na2Cr2O7 solution. If 41.6 mL of the Na2Cr2O7 solution is required, what is the molarity of the Na2Cr2O7 solution? The reaction products include Cr3+ and Fe3+.

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1. 0.129 M

2. 0.0215 M

3. 0.0644 M

4. 0.0387 M

5. 0.0744 M


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