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A student needs to prepare a buffer solution with a pH of 7.20 using acetic acid (CH3COOH) and sodium acetate (NaCH3COO), with a total buffer concentration of 0.20 M. What mass of CH3COOH needs to be added to 200 mL of 0.10 M NaCH3COO to obtain the desired pH? (Ka of CH3COOH is 1.8x10^-5)

answered Jan 22 in Chemical reactions

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Who proposed the psychosocial theory of development?

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1 answer 53 views

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1 answer 66 views

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1 answer 29 views

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1 answer 25 views

The bond between the two nitrogen atoms is a what?

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1 answer 10 views

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1 answer 52 views

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1 answer 9 views

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1 answer 26 views

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1 answer 29 views

What type of cells make up tumors?

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