91. Solving a chemistry problem
Seller: Derkach
Price: 1.19 USD
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Product description
- A 250 ml portion of paper mill recycled water was diluted in a volumetric flask to 500 ml and photometrically measured in a flame in the same way as standard solutions prepared from CaCO3. The photometric data are given in Table 26.
standard solutions analyzed solutions
p(Ca2 ) 10 20 30 40 50 ?
I, μA 12 24 34 43 54 20
plot a calibration graph and determine the calcium concentration (mol/l) in the recycled water
Additional information
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