Final answer:
To determine the number of grams of Ba(NOa) that contain 6.80 x 10²⁴ particles, we need to use Avogadro's number and the molar mass of Ba(NOa) and then use the formula Number of grams = (Number of particles / Avogadro's number) x Molar mass.
Step-by-step explanation:
To determine the number of grams of Ba(NOa) that contain 6.80 x 10²⁴ particles, we need to use Avogadro's number and the molar mass of Ba(NOa). Avogadro's number is 6.02×10²³ particles/mol. The molar mass of Ba(NOa) can be calculated by adding up the atomic masses of each element in the compound.
Once we have the molar mass, we can use the formula:
Number of grams = (Number of particles / Avogadro's number) x Molar mass
Plugging in the given values:
Number of grams = (6.80 x 10²⁴ particles / 6.02×10²³ particles/mol) x (mass of Ba(NOa) in g/mol)