Which is the best estimate of the pH of a solution that has a hydroxide ion concentration of 1.25 x 10^ -5M?
Excess oxygen gas reacts with 244 g of iron to produce 332 g of Fe2O3. What is the percent field?
2NH3(g) + CO3 (g) = (NH2)2CO(s) + H2O(g) What mass of NH3 will yield 147g of H2O when this reaction goes to completion?