Hydrofluoric acid, HF(aq), cannot be stored in glass bottles because compounds called
Chapter 3, Problem 3.57(choose chapter or problem)
Hydrofluoric acid, HF(aq), cannot be stored in glass bottles because compounds called silicates in the glass are attacked by the HF(aq). Sodium silicate (Na2Si03), for example, reacts as follows: Na2Si03(s) + 8 HF(aq) ----> H2SiF6(aq) + 2 NaF(aq) + 3 H20(1) (a) How many moles of HF are needed to react with 0.300 mol of NazSi03? (b) How many grams of NaF form when 0.500 mol of HF reacts with excess N a2Si03? (c) How many grams of Na2Si03 can react with 0.800 g of HF?
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