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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: Daimorte on September 29, 2007, 10:31:10 AM

Title: How to dissolve SiO[sup]2[/sup]
Post by: Daimorte on September 29, 2007, 10:31:10 AM

Is there any way to dissolve this compound other than HF?

Title: Re: How to dissolve SiO[sup]2[/sup]
Post by: UnintentionalChaos on October 02, 2007, 02:00:52 AM

Alkalies: NaOH, or KOH dissolve SiO2 very slowly to make water glass (sodium or potassium silicate). This goes much much faster with strong, hot lye and very finely powdered SiO2.