3. Chemical Reactions

What volume of 0.242 M H2SO4 is needed to completely react with 56.8 mL of 0.120 M NaOH according to the equation H2SO4(aq) + 2NaOH(aq) → Na2SO4(aq) + 2H2O(l)?

In the following equation how many moles of aluminum chloride are produced from 2.50 mol of hydrochloric acid?

2 Al (s) + 6 HCl(aq) → 2 AlCl₃ (aq) + 3 H₂ (g)

Calculate the mass of 4.50 × 10²⁵ O₃ molecules.

Ammonium nitrate (NH₄NO₃), a common fertilizer, is 35.0% nitrogen by mass. How much ammonium nitrate contains 1.25 kg of nitrogen?

How many grams of sodium carbonate, Na₂CO₃ contain 1.773 × 10¹⁷ carbon atoms?

Zeatin, a plant hormone, is known to have 5 nitrogen atoms in every molecule. Nitrogen makes up 33.8% of the mass of the molecule. What is the mass of one molecule in amu?

What is the formula mass of calcium nitrate, Ca(NO₃)₂?