Answer:
Chemical change
Explanation:
Chemical changes occur through chemical reactions. In a chemical reactions, reactants combines together and gives new products. Chemical change is a kind of change in which new products are formed as a result of different bond combinations. They are often associated with the evolution and use of energy.
Chemical changes are not easily reversible and they require a considerable amount of energy. Examples of chemical changes are combustion, rusting of iron, precipitation e.t.c.
The correct answer is this one: "C. Filtration." For d<span>istillation and evaporation, it would leave the soluble salt behind as well. Filtration refers to </span><span>the action or process of filtering something.</span>
Here are the choices:
A. Distillation
<span>B. evaporation </span>
<span>C. Filtration </span>
D. Sorting
Answer is 0.1565417867........
Answer:
0.246M
Explanation:
0.123M x 2 = 0.246M
Due to Sr(OH)2 has the coefficient of 2.