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A laboratory assistant is asked to prepare a buffer solution with a pH of 7.10 using acetic acid (CH3COOH) and sodium acetate (NaCH3COO). If the laboratory assistant has 250 mL of 0.20 M acetic acid, how many grams of NaCH3COO will be needed to make the buffer solution?
answered
Jan 22
in
Chemical reactions
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25
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What is the main assumption of the cognitive theory of depression?
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Jan 14
in
Psychology
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30
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What is the trichromatic theory of colour vision?
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Jan 14
in
Psychology
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45
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What sudden ground movement is caused by the sudden release of the energy stored in rocks, which is transmitted in seismic waves?
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Jan 7
in
Science
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55
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The physical sciences can be divided into physics and what other science?
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Jan 2
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Science
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19
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The lack of annihilation radiation coming to us from space proves that the universe is dominated by what?
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Jan 2
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Science
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18
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What is a bread mold and research organism that also grows in the wild on burned vegetation
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Dec 27, 2024
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Science
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