Using data in table 21 determine the number of significant


2.93 It is common in mass spectrometry to assume that the mass of a cation is the same as that of its parent atom.

(a) Using data in Table 2.1, determine the number of significant figures that must be reported before the difference in mass of 1H and 1H+ is significant.

(b) What percentage of the mass of an 1H atom does the electron represent?

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Chemistry: Using data in table 21 determine the number of significant
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