Problem

Problem

A drop of solution (

0.05 \text{ mL}

) contains

3.0 \times 10^{-6}

moles of

\text{H}^+

. If the rate constant of disappearance of

\text{H}^+

is

1.0 \times 10^7 \text{ mole litre}^{-1} \text{ sec}^{-1}

. How long would it take for

\text{H}^+

in drop to disappear : (a)

6 \times 10^{-8} \text{ sec}

(b)

6 \times 10^{-7} \text{ sec}

(c)

6 \times 10^{-9} \text{ sec}

(d)

6 \times 10^{-10} \text{ sec}

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