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Vinil7 [7]
3 years ago
8

The precipitative gravimetric analysis finds applications in environmental chemistry for precipitation of sulfates from wastewat

er. There are different steps and conditions required in such a real-life situation unlike the lab experiment dealing with only chlorides. Perform a literature search and discuss the measures
Social Studies
1 answer:
dezoksy [38]3 years ago
4 0

Answer:hydrated lime is used initially to precipate most of the sulfate as gypsum

Explanation:

The most common method for removing sulfate from highly concentrated waste water is the addition of lime which precipitate calcium sulphate

The next step is the addition of CESR reagent to lime water treated precipitate sulfate..we have the steps as followed: initial surface precipation, metal hydroxide precipitation, final surface precipitation and pH reduction/recarbonation

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Mice21 [21]

The correct answer to this open question is the following.

Although there are no options attached we can comment on the following.

Immigrants from China made up a large portion of the labor force during the California gold Rush for the following two reasons:

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Years later, in the 1860s, and with the passing of the Pacific Railroad Act, Chinese people worked in the Transcontinental Railroad.

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lora16 [44]

Answer:

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Explanation:

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