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Презентация на тему Chemistry quiz

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?0.127 M0.0636 M0.0520 M0.208 M0.104 M
If 150.0 mL of 0.100 M HBr and 50.0 mL of 0.100 A 0.742-gram sample of KHP, KC6H4(COO)(COOH), reacts with 35.0 mL of Ba(OH)2 Calculate the normality of a solution that contains 4.5 g of (COOH)2 A solution of H2SO4 contains 9.11 mg of H2SO4 per mL. What How many equivalent weights of phosphoric acid are contained in 500. mL What mass of NaOH would be required to neutralize the acid in If 20.8 mL of Ba(OH)2solution reacts with 0.306 g of KHP, KC6H4(COO)(COOH), What is the oxidation number of phosphorus in KH2PO4?+1+2+3+4+5 What is the oxidation number of P in the H2PO4-ion?-3+2+3+4+5 2022262932 2729313335 2022242628 52.3%56.6%60.8%64.5%69.2% A solution of Fe(NH4)2(SO4)2 · 6H2O containing 2.10 grams of the compound
Слайды презентации

Слайд 2 A 0.742-gram sample of KHP, KC6H4(COO)(COOH), reacts with

A 0.742-gram sample of KHP, KC6H4(COO)(COOH), reacts with 35.0 mL of

35.0 mL of Ba(OH)2 solution. What is the molarity

of the Ba(OH)2 solution?

0.127 M
0.0636 M
0.0520 M
0.208 M
0.104 M



Слайд 3 Calculate the normality of a solution that contains

Calculate the normality of a solution that contains 4.5 g of

4.5 g of (COOH)2 in 3000. mL of solution.

(Assume the (COOH)2 is to be completely neutralized.)

0.033 N
0.045 N
0.066 N
0.090 N
0.12 N



Слайд 4 A solution of H2SO4 contains 9.11 mg of

A solution of H2SO4 contains 9.11 mg of H2SO4 per mL.

H2SO4 per mL. What is the normality of the

solution? (Assume the H2SO4 is to be completely neutralized by a base.)

0.0482 N
0.684 N
0.186 N
0.372 N
0.0930 N



Слайд 5 How many equivalent weights of phosphoric acid are

How many equivalent weights of phosphoric acid are contained in 500.

contained in 500. mL of 2.00 M phosphoric acid?

(Assume the acid is to be completely neutralized by a base.)

1.00 eq
2.00 eq
3.00 eq
4.00 eq
6.00 eq



Слайд 6 What mass of NaOH would be required to

What mass of NaOH would be required to neutralize the acid

neutralize the acid in 75.0 mL of 0.880 N

HCl?

2.64 g
5.28 g
2.6 kg
3.83 g
6.60 g



Слайд 7 If 20.8 mL of Ba(OH)2solution reacts with 0.306

If 20.8 mL of Ba(OH)2solution reacts with 0.306 g of KHP,

g of KHP, KC6H4(COO)(COOH), what is the normality of

the Ba(OH)2 solution?

0.0361 N
0.144 N
0.300 N
0.175 N
0.0721 N



Слайд 8 What is the oxidation number of phosphorus in

What is the oxidation number of phosphorus in KH2PO4?+1+2+3+4+5

KH2PO4?
+1
+2
+3
+4
+5


Слайд 9 What is the oxidation number of P in

What is the oxidation number of P in the H2PO4-ion?-3+2+3+4+5

the H2PO4-ion?
-3
+2
+3
+4
+5


Слайд 10 20
22
26
29
32

2022262932

Слайд 11 27
29
31
33
35

2729313335

Слайд 12 20
22
24
26
28

2022242628

Слайд 13 52.3%
56.6%
60.8%
64.5%
69.2%

52.3%56.6%60.8%64.5%69.2%

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