Answer:
The mass of 1.0 moles of this compound is (3) 48g.
Explanation:
- The gram formula mass is defined as the amount of mass in 1.0 moles of a compound.
For example :
- For the water, we can calculate its gram formula mass using the molecular formula of the water : \(H_{2}O\)
- To calculate the gram formula mass we need the molecular mass of H (hydrogen) and O (oxygen).
μ(H) = \(1\frac{g}{mole}\)
μ(O) = \(16\frac{g}{mole}\)⇒ The gram formula mass of water is:
2 [ μ(H) ] + μ(O) = \(2(1\frac{g}{mole})+16\frac{g}{mole}=18\frac{g}{mole}\)
So 1 mole of water contains 18 grams of water.
In the exercise, the gram formula mass of a compound is 48 grams. Therefore, 1 mole of the compound contains 48 g of compound.
Finally, the correct option is (3) 48g
