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zheka24 [161]
3 years ago
9

Someone said that we can not use sulfric acid to prepare PbSO4 .

Chemistry
2 answers:
Delvig [45]3 years ago
7 0

Answer:

A. we can use sulfuric acid to prepare PbSO4

DIA [1.3K]3 years ago
6 0
The answer is A
We can use sulfuric acid to prepare pbso4
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A 51.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 208 mL. A 104 mL portion of that solution is diluted by a
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Answer:

The final concentration is 0.226 M.

Explanation:

In this problem the dilution has occurred two times. So the symbol initial concentration, concentration after first dilution and the concentration after second dilution is given as C1, C2, and C3 respectively. Same can be done for the volume i.e, V1, V2, and V3 will be the initial volume, the volume taken after first dilution, and the volume after second dilution.

So, let's use the dilution formula for the first dilution

C_1 \times V_1 = C_2 \times V_2

C_2 = \frac{C_1\times V_1}{V_2}\\\\C_2 = \frac{1.50\times 51.0}{208}\\\\C_2 = 0.368 M

Now, for the second dilution

C_2 \times V_2 = C_3 \times V_3\\\\C_3 = \frac {C_2 \times V_2}{V_3}\\\\C_3 = \frac {0.368 \times 104}{169}\\\\C_3 = 0.226 M

6 0
3 years ago
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