46. Consider the following reaction.
KOH + HCl → H2O + HOH
How many milliliters of 2.0 M KOH are necessary
to neutralize 50. mL of 1.0 M HCI?
60.

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.