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A certain sample of well water contains ...

A certain sample of well water contains 0.1% `Ca^(2+)` (w/w). The concentration of `Ca^(2+)` in the water, expressed as ppm is

A

`10^(-1)`

B

`10`

C

100

D

1000

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Knowledge Check

  • A sample of sea water contains 5 xx 10 ^(-3)g of dissolved oxygen in 1 kg of the sample. The concentration of O_(2) in that sea water sample in ppm is

    A
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    B
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    A
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    B
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    C
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