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the concentration of hydrogen ion in a s...

the concentration of hydrogen ion in a sample of soft drink is `3.8xx10^-3`M. what is its ph?

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`pH =- log [ 3.5 xx 10 ^(-3)] =- { log [3.5] + log [10 ^(-3)]}`
`=- {(0.54) + (-3.0)} =- {- 2.46} = 2.46`
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