Ammonia gas is passed into water, yielding a solution of density 0.93 g cm⁻³ and containing 18.6% NH₃ by weight. The mass of NH₃ per cm³ of the solution is:
- A0.34 g cm⁻³
- B0.17 g cm⁻³
- C0.51 g cm⁻³
- D0.68 g cm⁻³
✓ Correct answer: B
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