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Preparation of (250 mL of 0.1M) Standard Solution of Oxalic Acid
Preparation of (250 mL of 0.1M) Standard Solution of Oxalic Acid
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1)
What is the equivalent mass of oxalic acid?
90 g
45 g
63 g
126 g
2)
What is the amount of oxalic acid required to prepare 1000 ml of 1 N oxalic acid?
0.63 g
6.3 g
0.063 g
63 g
3)
Calculate the molar mass of oxalic acid?
0.63 g
126 g
90 g
63 g
4)
Calculate the oxalic acid required to prepare 100 ml 0.1 M oxalic acid?
12.6 g
1.26 g
126 g
0.126 g
5)
What amount of oxalic acid is required to prepare 250 mL 0.1 N solution ?
1.275 g
1.550 g
1.575 g
5.575 g
6)
The weight of oxalic acid that will be required to prepare a 1000 mL(N/20) solution is
126/20 g
126/100 g
63/40 g
63/20 g
7)
What is the mass of oxalic acid taken to make M/40 solution ?
0.05 g
2.25 g
1.25 g
0.03 g
8)
If 1.26 g of oxalic acid dissolves in 250 ml of solutions then it’s normality is
1.15 N
0.07N
0.08N
0.06N
9)
What is the required amount of oxalic acid to prepare 0.05M solution in 250ml?
1.575mg
2g
15.75g
1.575g
10)
Statement A : Tap water is used for the preparation of solution in laboratory because it is essentially inert. Statement B : Distilled water is contains H and C only.
Both are wrong
Statement B is correct and A is correct
Statement A is correct B is wrong
Statement B is correct and A is wrong