How many moles of Si are in 30.5 g of Si? ( AM=28.1g/mol)

Answer 1

To calculate the number of moles of Si in 30.5 g of Si, we will use the formula:

Number of moles = mass / molar mass

Given that the atomic mass of Si (Si) is 28.1 g/mol, we can plug in the values:

Number of moles = 30.5 g / 28.1 g/mol
Number of moles = 1.085 moles

Therefore, there are 1.085 moles of Si in 30.5 g of Si.