A sample of an industrial waste water is analyzed and found to contain 42.4 ppb Fe3+.?

2019-02-28 12:19 am

How many grams of iron could be recovered from 1.71×103 kg of this waste water?

回答 (1)

2019-02-28 12:32 am

Mass of iron could be recovered
= (1.71 × 10³ kg) × (42.4 ppb)
= (1.71 × 10³ × 10³ g) × (42.4 × 10⁻⁹)
= 0.0725 g

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