Stoich Practice

Q1A: Magnesium reacts with hydrochloric acid (HCl) to produce magnesium chloride and hydrogen gas (H2). Write the balanced chemical formula.

Tags

NGSS.HS-PS1-7

Q1B: How many moles of MgCl₂ will be produced if 0.50 moles of Mg reacts with excess HCl?

Q2A: Propane (C₃H₈) combusts in oxygen gas (O2) to produce carbon dioxide and water. Write the balanced chemical equation.

Q2B: How many moles of CO₂ are produced when 2.00 moles of C₃H₈ are combusted?

Tags

NGSS.HS-PS1-7

Q3A: Water decomposes into hydrogen and oxygen gas (O2). Write the balanced equation.

Tags

NGSS.HS-PS1-7

Q3B: How many moles of H₂ gas will be produced if 5.00 moles of H₂O decompose?

Chemical Formula: CH4 + 2O2 = CO2 + H2O2

If 8 moles of O2 are available, how many moles of CO2 will be produced?