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14 October, 10:11

A water holding tank measures 105 m long, 40m wide, and 11m deep. Traces of mercury have been found in the tank, with a concentration of 60mg/l. What is the total mass of mercury in the tank?

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  1. 14 October, 11:36
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    Answer: 2772mg

    To answer this question first you must know how much the water tank volume. The calculation would be:

    Water tank V: 105m x 40m x 11m = 46200m3

    After that, you need to convert the m3 into liter, then multiply it with mercury mass index. The calculation would be

    Mercury mass: 46200m3 x 0.001 l/m3 x 60mg/l = 2772mg
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