What is the empirical formula for a compound containing 38.7% carbon, 16.2% hydrogen, and 45.1% nitrogen?
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Nonmetal halogen family atmoic mass 35

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.

Which terms are used to identify pure substances