The mass (g) of a single H2 molecule (use 1H) is closest to:(Use the isotopic mass of 1H = 1.008 amu)Group of answer choices7.3 x 10-15 g3.3 x 10-24 g2.0 gnone of the above5.2 x 10-23 g

To answer this question, we need to convert the mass of a hydrogen molecule from atomic mass units (amu) to grams.

1. First, we need to find the mass of a H2 molecule in amu. Since H2 consists of two 1H atoms, its mass is 2 * 1.008 amu = 2.016 amu.

2. Next, we need to convert this mass to grams. We use the conversion factor that 1 amu is approximately equal to 1.66 x 10^-24 grams.

3. So, the mass of a H2 molecule in grams is 2.016 amu * 1.66 x 10^-24 g/amu = 3.34 x 10^-24 g.

Therefore, the mass of a single H2 molecule is closest to 3.3 x 10^-24 g.