Swimming Pool NCl3: Not Innocuous As Once Assumed

Once used as a refrigerant and still made to produce fertilizer, ammonia (NH3) is also a chemistry teacher’s ally. Mix an ammonium chloride solution with base in a small test tube and as hydroxide accepts H+ from ammonium ion, the liberated ammonia gas can easily awaken a sleepy student. Kidding aside, the odor threshold for... Continue Reading →

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