Witch of the following material is not part of every chemical reaction hurry plz

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Abnormal softening of a gland is known as

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them