Answer:
0.75g
Explanation:
From the given problem, the known parameters are:
Number of mole of BeO = 0.03mole
The unknown is the mass of BeO = ?
The formula of the compound is BeO
To solve this kind of problem, we use the mole relationship between number of mole and mass. This is expressed below mathematically:
Mass of BeO = number of moles of BeO x Molar mass of BeO
The molar mass of BeO:
Atomic mass of Be = 9g
Atomic mass of O = 16g
Molar mass of BeO = 9 + 16 = 25g/mol
Mass of BeO = 0.03 x 25 = 0.75g
The mass of BeO that participates is 0.75g
