Pre-lab Supplement 1 - Exercise A Assume that 2 molecules of KIO3, 19 molecules of KI, and 16 molecules of H2SO4 are added to water in an Erlenmeyer flask and that they fully dissociate into ions: KIO, → K* + IO, KI → K* +I, Some of these ions will react as shown below to produce yellow triiodide ion: H,SO, →H* + HSO, 4. I0, +81+6H* =3I,¯ + 3H,0 1. What are the stoichiometric coefficients, S. for each of the reactants and products in this reaction? S. 10, mol 10, mol S. mol Г mol mol, RXN mol, Н.О mol, The ions that can react are shown in the flask below (SPECTATORS such as K*, HSO4¯ and products are not shown). CIRCLE all of the new molecules that are expected to form. If you need to move electrons to mol, S. SH.0 mol, RXN mol, RXN RXN obtain a correct charge, then do so. Ht Ht I- Ht I. イメ I=c 4ト O Ht I Ht 4+ 2. How many ions/molecules of each type are available to react? n 10, ,n, = п %D %3D 3. CIRCLE all of the new molecules that are expected to form by the reaction shown above. If you need to move electrons to obtain a correct charge, then do so. 4. How many ions/molecules of each type will be produced? Пн,о — NH,0 п, %3D PM 63 Lab 8 Determination of vitamin C in a supplement tablet (by iodometric titration) Hi IO 'H
Pre-lab Supplement 1 - Exercise A Assume that 2 molecules of KIO3, 19 molecules of KI, and 16 molecules of H2SO4 are added to water in an Erlenmeyer flask and that they fully dissociate into ions: KIO, → K* + IO, KI → K* +I, Some of these ions will react as shown below to produce yellow triiodide ion: H,SO, →H* + HSO, 4. I0, +81+6H* =3I,¯ + 3H,0 1. What are the stoichiometric coefficients, S. for each of the reactants and products in this reaction? S. 10, mol 10, mol S. mol Г mol mol, RXN mol, Н.О mol, The ions that can react are shown in the flask below (SPECTATORS such as K*, HSO4¯ and products are not shown). CIRCLE all of the new molecules that are expected to form. If you need to move electrons to mol, S. SH.0 mol, RXN mol, RXN RXN obtain a correct charge, then do so. Ht Ht I- Ht I. イメ I=c 4ト O Ht I Ht 4+ 2. How many ions/molecules of each type are available to react? n 10, ,n, = п %D %3D 3. CIRCLE all of the new molecules that are expected to form by the reaction shown above. If you need to move electrons to obtain a correct charge, then do so. 4. How many ions/molecules of each type will be produced? Пн,о — NH,0 п, %3D PM 63 Lab 8 Determination of vitamin C in a supplement tablet (by iodometric titration) Hi IO 'H
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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Transcribed Image Text:Pre-lab Supplement 1 - Exercise A Assume that 2 molecules of KIO3, 19 molecules of KI, and 16
molecules of H2SO4 are added to water in an Erlenmeyer flask and that they fully dissociate into ions:
KIO, → K* + IO,
KI → K* +I,
Some of these ions will react as shown below to produce yellow triiodide ion:
H,SO, →H* + HSO,
4.
I0, +81+6H* =3I,¯ + 3H,0
1. What are the stoichiometric coefficients, S. for each of the reactants and products in this reaction?
S.
10,
mol
10,
mol
S.
mol
Г
mol
mol,
RXN
mol,
Н.О
mol,
The ions that can react are shown in the flask below (SPECTATORS such as K*, HSO4¯ and products are not
shown). CIRCLE all of the new molecules that are expected to form. If you need to move electrons to
mol,
S.
SH.0
mol,
RXN
mol,
RXN
RXN
obtain a correct charge, then do so.
Ht
Ht
I-
Ht
I.
イメ
I=c
4ト
O Ht I
Ht
4+
2. How many ions/molecules of each type are available to react? n
10,
,n, =
п
%D
%3D
3. CIRCLE all of the new molecules that are expected to form by the reaction shown above. If you need
to move electrons to obtain a correct charge, then do so.
4. How many ions/molecules of each type will be produced?
Пн,о —
NH,0
п,
%3D
PM
63
Lab 8
Determination of vitamin C in a supplement tablet (by iodometric titration)
Hi IO
'H
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