NEED HELP AS SOON AS POSSIBLE!

1. How many atoms are present in a 6.00 g sample of silver?
   

A1.07 x 10^-1 atoms

B6.47 x 10^2 atoms

C3.35 x 10^22 atoms

D3.61 x 10^24 atoms

1. How many atoms are present in 2.0 x 10^6 mol of carbon?
   

A3.3 x 10^-18 atoms

B4.0 x 10^-17 atoms

C1.0 x 10^29 atoms

D1.2 x 10^30 atoms

1. what mass is present in sample of AgNO3 containing 3.14 x 10^19 formula units?
   

A5.21 x 10^-5 g

B8.86 x 10^-3 g

C1.13 x 10^2 g

D1.92 x 10^4 g

1. How many molecules are present in 36.6 L of SO2 gas at STP?
   

A1.36 x 10^-21 molecules

B1.63 x 10^0 molecules

C1.54 x 10^22 molecules

D9.84 x 10^23 molecules