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Chemistry
Chemistry
Problem
In the standardisation of
Na
2
S
2
O
3
\text{Na}_2\text{S}_2\text{O}_3
Na
2
S
2
O
3
using
K
2
Cr
2
O
7
\text{K}_2\text{Cr}_2\text{O}_7
K
2
Cr
2
O
7
by iodometry, the equivalent mass of
K
2
Cr
2
O
7
\text{K}_2\text{Cr}_2\text{O}_7
K
2
Cr
2
O
7
is: a.
M
/
2
M/2
M
/2
b.
M
/
6
M/6
M
/6
c.
M
/
3
M/3
M
/3
d.
M
M
M
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