Refer to the titration curve found in question 1 of the Pre-Laboratory Questions in your lab notebook. 1.802 grams of KHP is dissolved in 20.0 mL of distilled water. The titration curve given is for the titration of the KHP solution with NaOH. See Eq. 5 in your lab manual for the balanced equation for the reaction. Determine the number of moles of KHP in the solution.
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Chemistry, 22.06.2019 05:00
Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
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Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
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Chemistry, 22.06.2019 15:00
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Chemistry, 22.06.2019 15:30
The identities of substances are the same before and after which type of change
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Refer to the titration curve found in question 1 of the Pre-Laboratory Questions in your lab noteboo...
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