Quick questions on Why we monitor the environment chemically: HSC Chemistry Module 8

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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State three reasons why environmental monitoring of cations and anions is necessary, with one example pollutant for each. [3 marks]

What is q2?

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A water sample is reported to contain 0.025 mg L

^{-1}

of arsenic. Calculate the concentration in mol L

^{-1}

and compare to the Australian Drinking Water Guidelines limit of

1.3 \times 10^{-7}

mol L

^{-1}

. [3 marks]

What is q3?

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A council reviews monitoring strategy for a creek downstream of a copper mine. (a) Identify two suitable techniques and justify each. (b) State one pollutant that requires a part-per-billion detection limit.

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