Test Review for Test Friday

For the Balanced Reaction: 3 Mg + 1 Fe₂O₃ → 3 MgO + 2 Fe; What is the Ratio of moles of MgO to moles Fe?

What is the molecular formula if the empirical formula is CH₂O and the molecular molar mass is 180.18?

What is the molecular formula for a compound with the empirical formula: K₂SO₄ and a molecular mass of 696g.

What is the empirical formula if you have 81.82% carbon and 18.18% hydrogen?

A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?

Given the following: 42.07g Na, 18.89g P, and 39.04g O, determine the empirical formula.

You are given 40.05g S and 59.95g O. Find the empirical formula for these elements.

What is the empirical formula for C₄H₆?

What is the empirical formula for N₂S₃?

4NH₃ + 5O₂ --> 4NO + 6H₂O

How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?

Cl₂ + 2 KBr → Br₂ + 2 KCl

How many grams of potassium chloride can be produced from 356 g of chlorine and 356 g of potassium bromide?

What is the limiting reactant if 10 moles of NH₃ react with 30.0 moles of NO?

4NH₃+6NO --> 5N₂ + 6H₂O