Question

To determine the phosphate concentration in a water sample, the following standard curve was produced. If the absorbance of t

0 0
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Answer #1

Given that y = 1254.6 x + 0.0189

y = mx + c

y = absorbance

c = concentration of solution

Given that absorbance y = 0.03

concentration x = ?

Hence,  0.03 = 1254.6 x + 0.0189

x = 0.0000088 M

= 8.8 x 10-6 M

Therefore,

concentration of phosphate = 8.8 x 10-6 M

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To determine the phosphate concentration in a water sample, the following standard curve was produced. If the absorbance of the water sample is 0.030, what is its phosphate concentration? Standard Cu...
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