Why HF attack glass while HCl do not?
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Why HF attack glass while HCl do not?
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Answer:
Hydrofluoric acid, on the other hand, is a weak acid, not completely ionized into H+ and F- ions. ... However, glass is readily attacked by HF, but not by HCl. The process appears to involve HF molecules (not protons) that disrupt silicon-oxygen bonds in the glass.