The standard set by OSHA for the maximum amount of ammonia permitted in the workplace is 5.00 × 10–3% by mass. To determine a factory’s compliance, 10.00 L of air (d = 1.19 g/L) is bubbled into 100.0 mL of 0.02500 M HCl at the same temperature and pressure. Ammonia in the air bubbled in reacts with H+ as follows:
The unreacted hydrogen ions required 57.00 mL of 0.03500 M NaOH for complete neutralization. Is the factory compliant with the OSHA standards for ammonia in the workplace?
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