Which of the seven cations will be the hardest to detect, Ask an Expert

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1. Which of the seven cations will be the easiest to detect if if is your unknown (NaCl, NaBr, NaI, Na2So4, Na2C2O4, NaCo3, NaNO3) Why do you think this? If two or more are possible then explain why. 2. Which of the seven cations will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.

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