Integrated Science II Math Review Final

The concentration of [H⁺] in solution is 0.0150 M. What is the pH? (Choose the closest answer)

• -2.14

• 8.72

• 1.82

• 11.24

What is the molarity of 2 moles of HCl in 8 liters of water?

• 0.25 M HCl

• 2 M HCl

• 0.20 M HCl

• 8 M HCl

What is the molar mass of NH₃? (Choose the closest value)

• 20 g/mol

• 45 g/mol

• 51 g/mol

• 17 g/mol

How many grams are in 3 moles of H₂O?

• 48 grams

• 54.06 grams

• 18.02 grams

• 30 grams

How many moles are in 68.46 grams of Sugar? (Sugar as a molar mass of 342 g/mol)

• 15 moles

• 2 moles

• 2342334 moles

• 0.2 moles

What is the molarity of a solution with 145.83 grams of HCl in 2 Liters of water? Molar mass of HCl = 36.46 g/mol

• 2 M HCl

• 4 M HCl

• 0.5 M HCl

• 1 M HCl

What are the coefficients to balance out the chemical equation?

__Hg + __O₂ --> __HgO

• 2, 1, 2

• 1, 2 ,2

• 2, 0, 2

• 3, 4, 5

Le Chatelier's Principle can be applied to all kinds of reactions

• True

• False

Which way will equilibrium shift if the temperature is increased?

N₂ + 3H₂ --> NH₃ + Heat

• Forwards

• Backwards

• No effect

Which way will equilibrium shift if the pressure is INCREASED

N₂ + 3H₂ --> NH₃

• Forwards

• Backwards