Respuesta :

Answer:

2.52moles

Explanation:

The amount of substance, measured in miles, can be calculated using the formula:

Number of moles = mass ÷ molar mass

According to the information in this question; mass of Mercury (Hg) = 505g, molar mass (MM) of Hg = 200.59g/mol

Hence, using mole = mass/MM

mole = 505/200.59

mole = 2.5175

mole = 2.52moles