145. Solving a chemistry problem

Content: 29.2.rar (37.92 KB)
Uploaded: 27.02.2024

Positive responses: 0
Negative responses: 0

Sold: 0
Refunds: 0

Seller: Derkach
information about the seller and its items

~ $1.29

The exact amount is on the payment page

28-2. A weighed portion of an alloy of mass m g was dissolved and, after appropriate treatment, the Cu2 + ions were titrated with the EDTA spectrophotometric method at λeff. = 620 nm. Build the titration curve and calculate the mass fraction (%) of copper in the alloy according to the following data:
m = 0.9968 Concat complexone mol / l 0.1014
Opt. solution density after adding EDTA, ml:
1 2 3 4 5 6
0.185 0.28 0.385 0.485 0.525 0.525

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.

No feedback yet