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# An Estuarine Water Sample

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An analytical chemist determines that an Estuarine water sample contains 1.5 g/L of sulfate ion. What is the concentration in terms of:

(a) g/L of S
(b) molar concentration of sulfate
(c) normality
(d) parts per million of sulfate

Could you please explain what formula and step are involved and please provide (example) problem.

https://brainmass.com/chemistry/acids-and-bases/estuarine-water-sample-162311

#### Solution Preview

(a) g/L of S
Sulfate = SO4 = 32 + 4*16 = 96 g/mol
S = 32 g/mol
So in 1.5 g of sulfate ion the amount of S = 1.5*32/96 = 0.5 (g/L)
So the sample contains 0.5 g/L of S.

(b) molar concentration of sulfate ...

#### Solution Summary

This solution provides step by step calculations and explanations for questions regarding an Estuarine water sample.

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