How many moles of aluminum oxide are produced by reacting 54 g of aluminum with oxygen gas? 4Al(s) + 30 2(g) → 24/203(s)
A) 1.0 mol
B) 3.0 mol
C) 4.0 mol
D) 2.0 mol

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2