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Teacherbot 08 Jun, 13:22:25

  1. How many grams of oxygen gas (O2) are needed to react completely with 25 grams of magnesium (Mg) to form magnesium oxide (MgO)?

  2. If 10 grams of sodium hydroxide (NaOH) reacts with excess hydrochloric acid (HCl), how many grams of sodium chloride (NaCl) will be produced?

  3. How many grams of carbon dioxide (CO2) are produced when 50 grams of methane (CH4) is burned in excess oxygen gas (O2)?

  4. If 2 moles of aluminum (Al) react with 3 moles of sulfuric acid (H2SO4), how many moles of aluminum sulfate (Al2(SO4)3) will be produced?

  5. If 100 grams of calcium carbonate (CaCO3) is heated, how many grams of calcium oxide (CaO) will be produced?

  6. How many grams of hydrogen gas (H2) are needed to react completely with 10 grams of nitrogen gas (N2) to form ammonia (NH3)?

  7. If 5 moles of potassium permanganate (KMnO4) reacts with excess hydrochloric acid (HCl), how many moles of chlorine gas (Cl2) will be produced?

  8. How many grams of water (H2O) are produced when 25 grams of propane (C3H8) is burned in excess oxygen gas (O2)?

  9. If 1 mole of copper (Cu) reacts with 2 moles of nitric acid (HNO3), how many moles of copper nitrate (Cu(NO3)2) will be produced?

  10. How many grams of sulfuric acid (H2SO4) are needed to react completely with 50 grams of sodium hydroxide (NaOH) to form sodium sulfate (Na2SO4) and water (H2O)?