Answer:
the answer is d. 74.02
Explanation:
When ogyen all together with the different things to get this.
Answer:
C20H1404 you have to write it like smaller numbers if you understand
Answer:
kilograms
Explanation:
The basic SI unit for mass is the kilogram (kg), but smaller masses may be measured in grams (g). To measure mass, you would use a balance. In the lab, mass may be measured with a triple beam balance or an electronic balance, but the old-fashioned balance pictured below may give you a better idea of what mass is.
Explanation 2Al2O3(s)-->4Al(s)+302(g)What is the total number of moles of O2 that are produced when 8.0 mol of Al2O3(s)are totally decomposed ?