Part a (7 points): how many grams of iron (fe) will be produced if you start with 3.65 liters of carbon monoxide gas (co) at stp? part b (3 points): jacob performed the above experiment in his chemistry class, and collected 4.23 grams of iron. what is the percent yield? fe2o3 + 3 co --> 2 fe + 3 co2 show work.

percent abundance for cu-63 can be shown as:

63 x + 65 (1-x) = 62.9296

65 - 62.9296 = 2 x

x = 1.035

thus, percent abundance for cu-63 is 1.035

percent abundance for cu-65 can be shown as:

63 x + 65 (1-x) = 64.9278

65 - 64.9278 = 2 x

x = 0.0361

thus, percent abundance for cu-63 is 0.0361

the mass spectrum of cu-63 showing the intense peak as, this isotope is found in nature more abundantly around 92.38 % in comparison to cu-65 which is found 62.58 % naturally