Achemist determined by measurements that 0.0300 most of beryllium oxide participate in a chemical reaction calculate the mass of berlylium oxide that participates

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

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