Determine the ratio of ethyl a mine
Determine the ratio of ethyl a mine(CH3CH2NH2) to the ethyl ammonium ion (CH3CH2NH3+) in a solution with a pH of 11.0 pKa forCH3CH2NH3+ =10.636
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Cyclist rate was four times faster than walking rate. If time spent on cycling and walking was 5 hours at what rate was cyclist riding?
Determine the percentage of K2O (94.20g/mole) in a fertilizer when a 0.4320 g sample gives 0.2138 g ofKB(C6H5)4 (358.2 g/mol). MM K =39.1 g/mole. Sodium tetraphenylborate, NaB(C6H5)4 is used as a precipitant for potassium.
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What would you expect to happen to the absorbance reading if one does not wipe their fingerprint off from a curette before measuring the absorbance in a spec to photometer.
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