Give three kinds of information conveyed by the formula H2O.
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The number of molecules in 4.25 g of ammonia is:
(a) 1.0 × 1023
(b) 1.5 × 1023
(c) 2.0 × 1023
(d) 3.5 × 1023
Explain the terms empirical formula and molecular formula.
Give the empirical formula of:
(a) C6H6
(b) C6H18O3
(c) C2H2
(d) CH3COOH