Chemistry
Chemistry, 22.01.2020 19:31, marlea

3) at equilibrium, 1.0l of h2o produces mole of hydronium ions.

1.0 x 1015

1.0 x 10-14

1.0 x 10-7

1.0 x 10-23

1.0 x 107

which of the following is true of a solution with a [h3o+] of 1.0x10-4m?

it has a high hydronium concentration and a low hydroxide concentration, so it is acidic.

it has [h3o+]= 1.0x10-7m so it is acidic.

it has [oh-]= 1.0x10-14m so it is neutral.

it has a low concentration of hydronium and a high hydroxide so it is basic.

it has [oh-]= 1.0x10-7m so it is acidic.

a hydrobromic acid (hbr) solution has a molar concentration of 0.0085 m. calculate the and ph of the solution. (remember that kw= 1.0 x 10-14 m2.)

[h3o+]= 8.5x10-3m, [oh-]=1.2x10-12m, ph=2.07

[h3o+]= 4.8x10-3, [oh-]=1.6x10-12m, ph=9.2

[h3o+]= 3.8x10-13, [oh-]=2.6x10-2m, ph=12.42

cannot be calculated with the information given

[h3o+]= 1.0x10-8 [oh-]=1.0x10-6m, ph=8.0

a hydrobromic acid (hbr) solution has a molar concentration of 0.055 m, calculate the and ph of the solution. (remember that kw= 1.0x10-14m2.)

[h3o+]= 1.0x10-8 [oh-]=1.0x10-6m, ph=8.0

[h3o+]= 5.5x10-2m, [oh-]=1.82x10-13m, ph=1.26

[h3o+]= 4.8x10-3, [oh-]=1.6x10-12m, ph=9.2

[h3o+]= 3.8x10-13, [oh-]=2.6x10-2m, ph=12.42

cannot be calculated with the information given

a potassium hydroxide (koh) solution has a molar concentration of 0.026 m. calculate the and ph of the solution. remember that kw= 1.0 x 10-14m2

[h3o+]= 3.8x10-13, [oh-]=2.6x10-2m, ph=12.42

[h3o+]= 8.5x10-3, [oh-]=1.2x10-12m, ph=2.07

[h3o+]= 4.8x10-3, [oh-]=1.6x10-12m, ph=9.2

cannot be calculated with the information given.

[h3o+]= 1.0x10-8 [oh-]=1.0x10-6m, ph=8.0

a solution has a ph of 8.00. calculate the of the solution. remember that kw= 1.0x10-14m2

[h3o+]= 8.5x10-3, [oh-]=1.2x10-12m

cannot be calculated with the information given.

[h3o+]= 4.8x10-3, [oh-]=1.6x10-12m

[h3o+]= 1.0x10-8 [oh-]=1.0x10-6m

[h3o+]= 3.8x10-13, [oh-]=2.6x10-2m

a 25.0 ml solution of nitric acid (hno3) with an unknown concentration is titrated with 12.5 ml of a 1.0x10-4 m solution of lithium hydroxide (lioh). calculate the molar concentration of the hno3.

3.80x10-10 m hno3

5.00x10-5 m hno3

2.80x10-3 m hno3

2.30x10-5 m hno3

2.50x10-5 m hno3

answer
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Do you know the correct answer?
3) at equilibrium, 1.0l of h2o produces mole of hydronium ions.

1.0 x 1015

...

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