There are 12 eggs in a dozen. If a farmer's chickens produce an average of 284 dozen eggs in a month, how should the average number of eggs per she month be reported? 284 dozen x 12 eggs/dozen = 5568 eggs Submit Answer Try Another Version 1 item attempt remaining Visited

There are 12 eggs in a dozen. If a farmer's chickens produce an average of 284 dozen eggs in a month, how should the average number of eggs per she month be reported? 284 dozen x 12 eggs/dozen = 5568 eggs Submit Answer Try Another Version 1 item attempt remaining Visited

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

ChapterA1: Evaluation Of Analytical Data

Section: Chapter Questions

Problem A1.3QAP

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Soil Science The fertilizer recommendation for a 1 hectare of rice farm during dry season is 120-60-60kg N-P2O5-K2O. Compute the following: how many bags of Urea (46%) and Complete (14%) will be needed to satisfy the recommendation @50kgs/bag? how many kgs of Urea (46%) and Complete (14%) will be needed to satisfy the recommendation?
One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibratedby STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is0.9984 g/mL. The results of the calibration by the student is shown in the table below:A B C D EApparent burette reading, mL 10.05 20.04 30.08 40.07 49.98Weight H2O delivered, g 10.03 20.09 30.05 40.02 49.83Note: All masses in mentioned in this section are understood to be in grams and all volumes mentioned are understood to be in milliliters. a) What is the true volume of water delivered in B?
One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibratedby STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is0.9984 g/mL. The results of the calibration by the student is shown in the table below:A B C D EApparent burette reading, mL 10.05 20.04 30.08 40.07 49.98Weight H2O delivered, g 10.03 20.09 30.05 40.02 49.83Note: All masses in mentioned in this section are understood to be in grams and all volumes mentioned are understood to be in milliliters. What is the correction volume of water delivered in C?A) 0.04B) 0.08C) 0.00D) -0.04E) -0.08
One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibratedby STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is0.9984 g/mL. The results of the calibration by the student is shown in the table below:A B C D EApparent burette reading, mL 10.05 20.04 30.08 40.07 49.98Weight H2O delivered, g 10.03 20.09 30.05 40.02 49.83Note: All masses in mentioned in this section are understood to be in grams and all volumes mentioned are understood to be in milliliters. What is the true volume of water delivered in D?A) 40.11B) 40.12C) 40.13D) 40.14E) 40.15
One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibrated by STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of waterat this temperature is 0.9984 g/mL. The results of the calibration by the student is shown in the table below: A B C D E Apparent burette reading, mL 10.05 20.04 30.08 40.07 49.98 Weight H2O delivered, g 10.03 20.09 30.05 40.02 49.83 What is the true mass of water delivered in A?
One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibrated by STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of waterat this temperature is 0.9984 g/mL. The results of the calibration by the student is shown in the table below: A B C D E Apparent burette reading, mL 10.05 20.04 30.08 40.07 49.98 Weight H2O delivered, g 10.03 20.09 30.05 40.02 49.83 What is the true volume of water delivered in A?
One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibratedby STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is0.9984 g/mL. The results of the calibration by the student is shown in the table below: Apparent burette reading, mL A-10.05 ml, B- 20.04ml, C- 30.08ml, D- 40.07 ml, E- 49.98ml Weight H2O delivered, g A -10.03g, B- 20.09g, C- 30.05g, D- 40.02g, E- 49.83g
One student calibrated a 50-ml burette by using the mass of water delivered. The student used an analytical balance which was previously calibrated by STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0.C. The density of water at this temperature is 0.9984 g/ml The results of the calibration by the student is shown in the table below: A B C D E Apparent burette reading,mL 10.05 20.04 30.08 40.07 49.98 Weight H2O delivered, g 10.03 20.09 30.05 40.02 49.83 Note: All masses in mentioned in this section are understood to be in grams and all volumes mentioned are understood to be in milliliters. 35. What is the true mass of water delivered in A? A) 10.03 B) 10.04 C) 10.05 D) 10.06 E) 10.07 36. What is the true mass of water delivered in B? A) 20.12 B) 20.13 C) 20.14 D) 20.15 E) 20.1637. What is the true mass of water delivered in C? A) 30.13 B) 30.11 C) 30.10 D) 30.09 E) 30.08 38. What is the true mass of water delivered in D? A) 40.09…
The physician of patient AJ (50 kg, M) admitted in your hospital ordered that the patient receives 0.25 mL of drug A per kg of body weight. This must be mixed with 250 mL of D5W. The IV admixture must be administered over a six-hour period only using a drip set capable of delivering 15 drops per mL. Your pharmacy has stocks of 2.0% w/v of drug A solution (density of drug A: 1.2 g/mL). Answer all questions below. 1. How many mL of drug A must the patient receive to obtain the needed dose? 12.5 mL B. 25.0 mL C. 50.0 mL D. 75 mL 2. From the pharmacy’s stocks of drug A solution, how many mL must be added to 250 mL D5W to prepare the IV admixture? 250 mL B. 500 mL C. 750 mL D. 1000 mL 3. What is the total volume of the admixture that will be administered to the patient? 262.50 mL B. 500 mL C. 750 mL D. 1000 mL 4. Given the capability of the hospital’s IV set, how many drops of the admixture should be administered to the patient? 3,936.5 drops B. 7,500 drops C. 11,250 drops D.…
Given the following data forMass of test tube, beaker and cyclohexane = 100.17 gMass of test tube and beaker = 84.07 gFreezing point of cyclohexane = 6.59 oCMass of weighing paper + naphthalene =1.080 gMass of weighing paper = 0.928 gFreezing point solution = 5.11oCKf = 20.8oC/mDetermine the followinga. mass of cyclohexane in g (2 decimal places); _____b. mass of naphthalene in g (4 decimal places); _____c. freezing point depression (2 decimal places); _____d. molality of solution (3 significant figures); _____e. moles of naphthalene (3 significant figures); _____f. molar mass of naphthalene, experimentally (3 significant figures); _____g. % error if theoretical molar mass of naphthalene is 128.17 g/ mole, USE ABSOLUTE VALUE (3 significant figure); ____
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An order was given to initially infuse 10000. units per hour of the anticoagulant heparin for a patient in the emergency room. The IV bag supplied contains 250. mL of a heparin solution at a concentration of 100. units per milliliter. How many hours will the IV run? Flow Rate = (1 mL/100 Units) x (10000 units/1 hr) = mL/h