Question

PLEASE help due in 25 minutes

Determine the mass in grams of each of the following:
5.04 x 1024 atoms N




2.01 x 1024 atoms Ca




8.32 x 1021 atoms Sn




Determine the number of particles contained in each of the following:
50.3 g Cu




145g Si




0.67 g Cl

Answer 1

method to do this given in explaination

Step-by-step explanation:

divide the number of atoms with avagadro constant and multiply with the molar mass of each atom - to obtain the mass in g

divide the mass with molar mass and multiply with avagadro constant to obtain the number of particles