Acids increase the concentration of hydronium ions in solution by donating hydrogen ions to water molecules. true false

Explanation:

General reaction of acid in water is as follows:

HCl + H2O = H3O+  + Cl-

Thus Acids increase the concentration of hydronium ions in solution by donating hydrogen ions to water molecules is true  

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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fe 55.85 g/mol and h2o 18.02 g/mol.