Calculate the volume of 12M HCl (density = 1.185 g/mL containing 36.31% by mass of HCl) necessary to react with the amount of borax used in the preparation.
Calculate the volume of 12M HCl (density = 1.185 g/mL containing 36.31% by mass of HCl) necessary to react with the amount of borax used in the preparation.
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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Question
Calculate the volume of 12M HCl (density = 1.185 g/mL containing 36.31% by mass of HCl) necessary to react with the amount of borax used in the preparation.
![MATERIALS
15M NH₂OH
Na,BO3
12M HCI
CH3OH
as
6M H₂SO4 och Turmeric paper aeqoq tuo bro e oa nottes et bazuarit ex
otros ibaimede beledol vhoqbrg arif szyhegoq abietom slow b sa
motorodol ert ni belbienog
ond
PROCEDURE
congid TUOY of meril mute bro noitooqerg srt ni bozu
S-MAR
3
Add 30 grams of sodium borate to 75 mL of distilled water and bring the solution to a boil.
Filter if necessary. To the filtrate, add 15 mL of 12M HCI. Stir the mixture well and set it aside until
the next laboratory period.
volbrodol ont privoel enoted alo
Collect the crystals on a wetted filter paper. Wash the crystals with small portions of cold
distilled water until the washings are free from chloride ions.
Place the crystals between sheets of filter paper and press gently until most of the water has
been absorbed. Spread the crystals on a large watch glass and allow drying with air. Weigh the
product obtained in the preparation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74ad840a-6056-4990-bcf5-d41c8c839204%2F9b960ecb-d66b-44ba-9d11-59fbe8f38bd9%2Fvzgq42d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:MATERIALS
15M NH₂OH
Na,BO3
12M HCI
CH3OH
as
6M H₂SO4 och Turmeric paper aeqoq tuo bro e oa nottes et bazuarit ex
otros ibaimede beledol vhoqbrg arif szyhegoq abietom slow b sa
motorodol ert ni belbienog
ond
PROCEDURE
congid TUOY of meril mute bro noitooqerg srt ni bozu
S-MAR
3
Add 30 grams of sodium borate to 75 mL of distilled water and bring the solution to a boil.
Filter if necessary. To the filtrate, add 15 mL of 12M HCI. Stir the mixture well and set it aside until
the next laboratory period.
volbrodol ont privoel enoted alo
Collect the crystals on a wetted filter paper. Wash the crystals with small portions of cold
distilled water until the washings are free from chloride ions.
Place the crystals between sheets of filter paper and press gently until most of the water has
been absorbed. Spread the crystals on a large watch glass and allow drying with air. Weigh the
product obtained in the preparation.
![Preparation:
• Na₂B4O7. 10 H₂O + 2 HCl → 4 HBO3 + 2 NaCl + 5 H₂O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74ad840a-6056-4990-bcf5-d41c8c839204%2F9b960ecb-d66b-44ba-9d11-59fbe8f38bd9%2F0ecaz58_processed.png&w=3840&q=75)
Transcribed Image Text:Preparation:
• Na₂B4O7. 10 H₂O + 2 HCl → 4 HBO3 + 2 NaCl + 5 H₂O
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