Hydrofluoric acid, HF(aq), cannot be stored in glass bottlesbecause compounds called silicates in the glass are attackedby the HF(aq). Sodium silicate (Na2SiO3), for example, reactsas follows:Na2SiO3(s) + 8 HF(aq)-------> H2SiF6(aq) + 2 NaF(aq) + 3 H2O(l)(a) How many moles of HF are needed to react with 0.300mol of Na2SiO3?(b) How many grams of NaF form when 0.500 mol of HFreacts with excess Na2SiO3?(c) How many grams of Na2SiO3 can react with 0.800 g of HF?

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Answered: Hydrofluoric acid, HF(aq), cannot be…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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 (Na₂SiO₃), for example, reacts
as follows:
Na₂SiO₃(s) + 8 HF(aq)-------> H₂SiF₆₍aq) + 2 NaF(aq) + 3 H₂O(l)
(a) How many moles of HF are needed to react with 0.300
mol of Na₂SiO₃?
(b) How many grams of NaF form when 0.500 mol of HF
reacts with excess Na₂SiO₃?
(c) How many grams of Na₂SiO₃ can react with 0.800 g of HF?

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