Which system is more corrosive, hydrogen chloride gas or an aqueous solution of hydrochloric acid?
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Which system is more corrosive, hydrogen chloride gas or an aqueous solution of hydrochloric acid?
In the case of hydrogen chloride gas, its corrosivity depends on the water content. For hydrochloric acid vapor and hydrochloric acid solution at the same concentration, the vapor certainly has greater corrosivity; the higher the temperature, the greater the corrosivity