Which sequence of coefficients will balance the following equation? Mg(s) + O2 (9) 2MgO (s)
O A. 1,1,2
B. 4,1,2
C. 3,1,2
D. 2,1,2

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

What is the percent by mass of oxygen in fe2o3