The molar mass of carbon (C) is 12.0107 u.
1.) A compound is a thing that is composed of two or more (separate) elements.
2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.
3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.
4.) If a substance is not a pure substance, then it is an impure substance.
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A solution is a homogeneous type of mixture of two or more substances. A solution has two parts: a solute and a solvent.
Answer:
i also had this question:P
Explanation:
Answer: 1.Sulfuric acid is a catalyst
2. Vanadium(v) oxide is a catalyst
