Hydrofluoric acid, HF(aq), cannot be stored in glass bottlesbecause compounds called silicates in the glass are attackedby the HF(aq). Sodium silicate 1Na2SiO32, for example, reactsas follows:Na2SiO31s2 + 8 HF1aq2¡ H2SiF61aq2 + 2 NaF1aq2 + 3 H2O1l2(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?
Hydrofluoric acid, HF(aq), cannot be stored in glass bottlesbecause compounds called silicates in the glass are attackedby the HF(aq). Sodium silicate 1Na2SiO32, for example, reactsas follows:Na2SiO31s2 + 8 HF1aq2¡ H2SiF61aq2 + 2 NaF1aq2 + 3 H2O1l2(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?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 51E: Magnesium metal (a component of alloys used in aircraft and a reducing agent used in the production...
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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 1Na2SiO32, for example, reacts
as follows:
Na2SiO31s2 + 8 HF1aq2¡ H2SiF61aq2 + 2 NaF1aq2 + 3 H2O1l2
(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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