i have two questions that I'm not sure how to answer
1) The total number of atoms in 0.111 mol of Fe(CO)3(PH3)2 is ___________
a) 1.00 x 10^24
b) 15.0
c) 4.46 x 10^21
d) 2.76 x 10^-24
e) 1.67
correct answer is A
and
2) How many oxygen atoms are there in 52.06 g of carbon dioxide?
a) 1.204 x 10^24
b) 1.424 x 10^24
c) 1.018 x 10^24
d) 6.022 x 10^23
e) 5.088 x 10^23
correct answer is B
1) The total number of atoms in 0.111 mol of Fe(CO)3(PH3)2 is ___________
a) 1.00 x 10^24
b) 15.0
c) 4.46 x 10^21
d) 2.76 x 10^-24
e) 1.67
correct answer is A
and
2) How many oxygen atoms are there in 52.06 g of carbon dioxide?
a) 1.204 x 10^24
b) 1.424 x 10^24
c) 1.018 x 10^24
d) 6.022 x 10^23
e) 5.088 x 10^23
correct answer is B