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Chemistry

How would you prepare a liter of "carbonate buffer" at a pH of 10.10? Ka = 4.2 times ten to the negative 7(carbonic acid) Ka = 4.8 times ten to the negative 11(bicarbonate ion) It says the key to solving the problem is picking the correct Ka value. How do I know which one to work with?

Subject:

Chemistry

Topic:

Other

Posting ID:

56713

OTA ID:

104330

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Calculate the HERP value

If a carcinogen has a dose of 60.0 mg per 70 kg person and a TD50 of 40.0 mg/kg for rats, calculate the HERP value (expressed in percentage) for this carcinogen.

Subject:

Chemistry

Topic:

Other

Posting ID:

58363

OTA ID:

103992

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Balancing molecular,ionic,and net ionic equations-name the precipitate

lead II nitrate + lithium chloride = lead II chloride + lithium nitrate

Subject:

Chemistry

Topic:

Other

Posting ID:

58410

OTA ID:

103940

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Atoms to moles

How many atoms of magnesium are there in 52.65 moles of Mg3 (PO4)2?

Subject:

Chemistry

Topic:

Other

Posting ID:

58413

OTA ID:

103846

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Atom-moles

How many atoms of magnesium are there in 52.65 moles of Mg3 (PO4)2

Subject:

Chemistry

Topic:

Other

Posting ID:

58421

OTA ID:

102509

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