In the Eqn: [3 Fe + 2 O2 → Fe3O4], How many f. u.s of Fe3O4 will be produced from 285 g of Fe with an excess of Oxygen gas? *

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

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution

If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh