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A series of volumetric flasks are being prepared for the analysis of mercury in the drinking...

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Chemistry

A series of volumetric flasks are being prepared for theanalysis of mercury in the drinking water supply using the methodof standard addition. To prepare the flasks, 10 mL of drinkingwater and a varying amount of standard are added to each flask, andthe flasks are brought to the 25.00mL mark on the volumetricflask.

The concentration of mercury standard used was 20.0microgram/mL.

Please use the data tabulated below to provide the concentrationof mercury in the drinking water, in units of micrograms/mL.

It is recommended to use Excel or similar software.

mL Mercury Standard AddedSignal
0.0019.65
1.0030.35
2.0040.28
3.0049.78
4.0060.44
5.0070.0

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