B. What mass of iron(Fe)can be obtained from 3.80g iron(III) oxide(Fe2O3)reacting with excess carbon monoxide (CO)? Given unit: Answer unit: Solution:

What is the mass of each element in a 324.8 sample of co2

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it