Other questions in this quiz

2. Which of the following sets of coefficients correctly balance the equation shown? wBa3N2 + xH2O → yBa(OH)2 + zNH3

  • 1 3 3 1
  • 1 6 3 2
  • 1 3 3 2
  • 1 6 3 1

3. What is the mass percentage of magnesium in MgCl2?

  • 25%
  • 33%
  • 40%
  • 37%

4. What is the concentration in mM of chloride ions in an infusion containing 1.8 g of calcium chloride per litre?

  • 23.8
  • 32.4
  • 16.2
  • 47.7

5. A substance with a fixed composition that is chemically decomposable is called a/an:

  • Atom
  • Solution
  • Compound
  • Element
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