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Standard IX

Chemistry

Ways of Representing the Concentration of a Solution

concentration...

Question

concentration of h+ ions when a weak acid HA of 0.1M is added to 0.1 M hcl is

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Similar questions

H C l O

is a weak acid. The concentrations of

[H^{+}]

ions in

0.1 M

solution of

H C l O (K_{a} = 5 \times 10^{- 8})

will be equal to:

0.1 M H_{2} S O_{4}

has the same concentration of

H^{+}

ions as

0.1 N H C l

A beaker contains 0.1 M $H_{2} S O_{4}$ solution; of 100 ml. Another 100 ml, 0.1 M $H C l$ of it is added to the beaker.

(I) What is the initial number of millimoles of $H^{+}$ ions?

(II) What is the final concentration of $H^{+}$ ions?

Q. A solution of weak acid was titrated with base

N a O H

. The equivalence point was reached when

36.12

m L

0.1 M

N a O H

have been added. Now,

18.06 m L

0.1 M

H C l

were added to titrated solution, the

p H

was found to be

4.92

K_{a}

of acid is

Q. The volume (in ml.) of 1.00 M

H C l

that would have to be added to

100

ml of

0.1

M acetic acid solution to make the concentration of acetate ion equal to

10^{- 5} M (K_{a} = 2 \times 10^{- 5})

is:

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