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13 Dec 2019

Calculate the H+ concentration in an aqueous solution that contains 2.50 x 10-3 M hydroxide ion.

a.

4.00 x 10-10
b.

4.00 x 10-11
c.

5.00 x 10-12
d.

4.00 x 10-12

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Irving Heathcote
Irving HeathcoteLv2
17 Dec 2019

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Related questions

What is the mass in grams of 0.250 mol of the common antacid calcium carbonate?

a. 4.00 x 102 g

b. 25.0 g

c. 17.0 g

d. 4.00 x 10-2 g

e. 2.50 x 10-3 g


Need help with this question please !

a) What is the pH of an aqueous solution with a hydrogen ion concentration of [H+] = 2.0 x 10-9 M?

b) What is the hydroxide ion concentration, [OH-], in an aqueous solution with a hydrogen ion concentration of [H+] = 2.0 x 10-9 M?

c) A monoprotic acid, HA, dissociates: 

 

The equilibrium concentrations of the reactants and products are 

[HA] = 0.190 M

[H+] = 4 x 10-4 M

[A-] = 4 x 10-4 M

Calculate the Ka value for the acid HA.

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