High School

What is the formula weight (FW) for sulfuric acid, H\(_2\)SO\(_4\), given:

- Atomic weight of H = 1.01 amu
- Atomic weight of S = 32.1 amu
- Atomic weight of O = 16.0 amu

A. 63.0 amu
B. 31.0 amu
C. 20.3 amu
D. 98.1 amu

Answer :

Final answer:

The formula weight for nitric acid (H2SO4) is 63.0 amu.

Explanation:

The formula weight (FW) for nitric acid (H2SO4) can be calculated using the atomic weights (aw) of hydrogen (H), sulfur (S), and oxygen (O). Since there are 2 hydrogen atoms, 1 sulfur atom, and 4 oxygen atoms in nitric acid, the formula weight can be calculated as follows:

(2 * 1.01 amu) + (1 * 32.1 amu) + (4 * 16.0 amu) = 63.0 amu

Therefore, the formula weight for nitric acid (H2SO4) is 63.0 amu.

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