112 L/ 16 L = 7 mol O2
7 mol O2 x 2 mol Fe2O3/ 3 mol O2 = 4.67 mol Fe2O3
lmk if its right
Yes there is by the way are there any answers to choose from
Answer:
Gold
Explanation:
We are given that
Mass of sample ,m=385 g
Volume ,V=20mL
We have to find the coin is gold or yellow brass.
We know that
Density=
Using the formula
Density of coin=19.3g/mL
Density of gold=19.3g/mL
Hence, the coin is gold.