# Problem: The Safe Drinking Water Act (SDWA) sets a limit for mercury-a toxin to the central nervous system-at 0.002 ppm by mass. Water suppliers must periodically test their water to ensure that mercury levels do not exceed this limit. Suppose water becomes contaminated with mercury at twice the legal limit (0.004 ppm).How much of this water would have to be consumed for someone to ingest 51 mg of mercury?

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Step 1

= 0.051 g

82% (94 ratings)
###### Problem Details

The Safe Drinking Water Act (SDWA) sets a limit for mercury-a toxin to the central nervous system-at 0.002 ppm by mass. Water suppliers must periodically test their water to ensure that mercury levels do not exceed this limit. Suppose water becomes contaminated with mercury at twice the legal limit (0.004 ppm).

How much of this water would have to be consumed for someone to ingest 51 mg of mercury?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the ppm concept. If you need more ppm practice, you can also practice ppm practice problems.

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Our tutors rated the difficulty ofThe Safe Drinking Water Act (SDWA) sets a limit for mercury-...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Rathod's class at UW-SEATTLE.