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Distinguish a substance from a mixture. give two examples of each
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Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
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What state of matter is ice a. liquid b. element c. solid d. gas
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Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm
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Distinguish a substance from a mixture. give two examples of each...
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