What type of compound is most consistent with the IR spectrum shown below? The compound responsible for this spectrum is the principle ingredient in oil of cloves. This compound is used not only in perfumes and mouthwashes, but also as an insect attractant and a dental analgesic. 100 1300 1000 500 O ketone O aldehyde O carboxylic acid O ester O alcohol (diluted in a solvent with which it cannot form hydrogen bonds)

Perform calculations to determine the amount of 5.00x10-5 M stock solution needed to prepare 20.00 mL of 2.00x10-5 M dye solution. Perform calculations to determine the amount of 2.00x10-5 M dye solution needed to prepare 20.00 mL of 5.00x10-6 M dye solution. Perform calculations to determine the amount of 5.00x10-6 M dye solution needed to prepare 20.00 mL of 1.00x10-6 M dye solution. Show your calculations

Describe the steps involved in recrystallization.

Give the name of material which is used for water purification.

Show the solution properly. Thank you.

Suppose you measure a volume of 9.0 mL and a mass of 7.04 g for your first distillate. What is the density of the liquid? Group of answer choices 0.78 g/mL 0.782 g/mL 1.28 g/mL 1.3 g/mL

Dissolution Distilled H20 Concentration 0.01 M HCI Concentration (mg/ml) Time Total amount A Total amount A (mg/ml) (mg) (mg) 5 0.16 0.1 10 0.24 0.18 15 0.35 0.25 20 0.48 0.34 25 0.58 0.4 30 0.67 0.5 1. Plot the given data on an ordinary paper and find the slope for each line then calculate the IDR constant for aspirin in the two dissolution media, water and HCI. NOTE: Slope of the calibration curve = 1.0 (mg/ml and saturation solubility of salicylic acid is equal to 2.0 gm/L.

Concentration of TZ stock solution (μMμM) 42.06

Which method(s) for determining concentration is/are valid? Calculating from a dilution Calculating from mass and volume data Calculating from absorbance data using Beer's Law All of the above

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