Calculate the mass of aluminium produced from 50 tonnes aluminium oxide.

2Al2O3 > 4Al +3O2

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Find the number of moles of argon in 364g of argon.