SiO2(aq)
Cu(s) + 2H SO:(aq)
CuSO.(aq) + SO2(g) + 2H20
Is it a redox reaction​

Select the atomic models that belong to the same element

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

How many moles of al3+ ions are in 1.25 moles of al2o3