Need with this if anyone can
1.) what is the weight percent of silver in silver nitrate, agno3?
2.) the molecular weight of ethylene glycol, c2h6o2, is
29 g/mole
34 g/mole
62 g/mole
94 g/mole
46 g/mole
3.) which of the following samples contains the largest total number of atoms?
0.10 moles of p4o10
0.20 moles of p4o6
0.30 moles of n2o5
0.40 moles of n2o4
0.50 moles of bif3
4.) “x” is an unknown element which forms an acid, hxo3. the mass of 0.0133 mol of this acid is 1.123 g. find the atomic mass of x and identify the element represented by x. the element x is
n
cl
p
br
i
5.) a chem 110 ta analyzes a compound and finds it to have a percent composition of 84% c and 16% h by mass. which of the following could be the compound?
ch4
c2h6
c3h4
c2h6o
c7h16
if you could also provide explanation you very much