The minimum level of mercury levels in water considered safe is 1 part per billion (ppb) by weight. If you did an analysis and found that the concentration was 0.59 parts per billion. What quantity of mercury in grams was present in 8.52 L of the water, the density of which is 0.998 g/ml? (1 ppb Hg = 1 ng Hg per 1 g water)

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