Question

why
does the volume of HCl needed to titrate the blank higher than the
volume to titrate the sample for when determining saponification
value?

Answer #1

When determining the peroixde value, explain why the volume of
sodium thiosulfate needed to titrate the sample will be higher than
the volume needed to titrate the blank

Determine the range of milliliters of .15 M HCl needed to
completely titrate a .35 g sample of unknown
Na2CO3, if the percentage
Na2CO3 ranges from 20% to 50%
Na2CO3.

how many milliliters of 0.15 M HCl are needed to titrate to the
end point 100.0 mL of a solution that contains 2.35g of NaOH per
liter?

What volume of 0.100 M HCl is required to titrate 25.0 mL of
0.050 M NaOH?

Why is blank titre value higher than back titre value in
chemical oxygen demand (COD) experiment?

Calculate the Ksp of Cd(OH)2 if 3.1 mL of 0.01300 M HCl was
needed to titrate 1.2 L of saturated Cd(OH)2 solution. (show your
work)

Calculate the volume of 0.0200 M KMnO4 needed to
titrate 2.00mL of 0.882 M H2O2.

A certain volume of 1M NaOH is needed to titrate 500mL of a 0.2M
solution of a weak acid(pKa=4.0) to the equivalence point. You then
titrate a 0.4M solution of this same weak acid but to pH=4.0. If
you used the same amount of 1.0 M NaOH for the second titration as
for the first, the volume of 0.4M solution titrated is
A)100mL
B) 250mL
C)500mL
D)1000mL
E)200mL
Explain and show all work.

How many milliliters of 0.350 M HCl are needed to titrate each
of the following solutions to the equivalence point?
(a) 49.4 mL of 0.455 M LiOH
__________mL
(b) 75.0 mL of 0.455 M NaOH
________mL
(c) 490.0 mL of a solution that contains 14.3 g of RbOH per
liter
__________mL

How many milliliters of 0.170 M HCl are needed to titrate
each of the following solutions to the equivalence point?
(a) 42.6 mL of 0.0850 M RbOH
mL
(b) 24.6 mL of 0.102 M NaOH
mL
(c) 346.0 mL of a solution that contains 1.91 g of KOH per
liter
mL

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