Explain why the pKas of compounds near the middle of Table 4.2 are often listed with two
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Explain why the pKa’s of compounds near the middle of Table 4.2 are often listed with two figures to the right of the decimal place (that is, for NH4+ the pKa = 9.24), whereas those at the beginning and end of the table are listed without any figures to the right of the decimal point (that is, for H2SO4 the pKa = – 10).
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