How many atoms of aluminum would be produced from the decomposition of 53.2 g of aluminum oxide? (Al2O3 ———> 4Al + 3O2)

timed test! please help, will mark brainliest!

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Can someone me with questions 12 and 13 plz.

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98