Q3 CHEMISTRY MIDTERM (part 2)

​ (a)   AlF3 + ​ (b)   K₂CO₃ => ​ (c)   KF + ​ (d)   Al₂(CO₃)₃

• 2
• 3
• 6
• 1
• 4
• 5

​ (a)   K + ​ (b)   B₂O₃ => ​ (c)   K₂O + ​ (d)   B

• 6
• 1
• 3
• 2
• 4
• 5

​ (a)   N₂ + ​ (b)   F2 => ​ (c)   NF₃

• 1
• 3
• 2
• 4
• 5

Match the following

• combustion

• FeBr₃+K₃PO₄ => FePO₄+3KBr

• decomposition

• 2C₄H₁₀+13O₂ => 8CO₂+10H₂O

• double replacement

• 4Fe+3O₂ => 2Fe₂O₃

• synthesis

• 2KCl₃ => 2KCl+3O₂

• single replacement

• 2NaBr+Cl₂ => 2NaCl+Br₂

Match the following

• single replacement

• NaCo₃ => Na₂O+CO₂

• decomposition

• C₆H₁₂O₆+O₂ => CO₂+H₂0

• synthesis

• Zn+HCl => ZnCl₂+H₂

• double replacement

• NaCl+H₂SO₄ => NaSO₄+HCl

• combustion

• Mg+O₂ => MgO₂

What is the molar mass of water?

How many grams are there in 2.00 moles of H₂SO₄?

How many grams are there in 2.50 moles of KNO (potassium nitrate)

How many moles of silver nitrate (AgNO₃) are there in 80 g of silver nitrate?

How many moles of sodium carbonate (Na₂CO₃) are in 317.97 g of sodium carbonate?