Students were asked to answer a question at school and to express what is most important for them to succeed. Out of the many responses, one which that stood out was practice. Successful people commonly are not born successful; they become successful thru hard work and persistence. If you want to attain your goals, keep this in mind! the following some question and answer examples that you could potentially benefit from to expand your knowledge and gain insight that will guide you to keep up your school studies.

## Question:

Formula A: CH3Formula B: C2H6

Given the two formulas representing the same compound:

Which statement describes these formulas?

(1) Formulas A and B are both empirical.

(2) Formulas A nd B are both molecular.

(3) Formula A is empirical and Formula B is molecular.

(4) Formula A is molecular and Formula B is empirical.

## Answer:

Correct option is** (3).**

**Empirical formula**:-Simplest **whole number ratio **of various atoms present in a compound.

**Molecular formula**:-The formula that gives the total number of atoms of each element in each molecule of a substance.

So, (formula B) is the **molecular formula, **and** ** (Formula A)is the **empirical formula**.

Hence, the correct option is** (3)**.

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