Lab 2 Worksheet (cont.) Practice with Solution CalculationsHow many grams are needed to make each of the following stock solutions (use formula weightson chemical bottles)?1.a.b.C.d.100 mL of 0.5 M NaCl (sodium chloride) Mass0.SX 0₁1 XS = Nmass/MolarN = 2.99 nad100 mL of 0.75 M Na2CO3 (sodium carbonate)400 mL of 3 M CaCl2 (calcium chloride, anhydrous)220 mL of 2 M NaHCO3 (sodium biocarbonate)400 mL of 30% NaNO3 (sodium nitrate)MosVolume in 'L'+0.5m/519400541000

Stock solution is concentrated solution therefore we need to dilute it to make working solution.…

Answered: Lab 2 Worksheet (cont.) Practice with…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Using this data, calculate the molarity of the oxalic acid standard solution.
1. compute for patient B result of his chloride analysis with the following data using mg/dL unit factor: 355/ mg/dL , Absorbance sample = 0.2148, Absorbance standard = 0.3017 a. 24.8 mg/L b. 25.27 mg/dL c. 2.7119 mmol/L d. 252.7 mg/dL 2. an adult patient suffering from debilitation is supected of calcium deficiency. His doctor requested for calcium anaylusis with the following data gathered standard known value is B: Absorabance is 0.2876. sample absorbance is 0.4291 compute for the calcium in mmol/L a. 53.6mmol/L b. 5.36 mmol/L c. 11.9 mmol/L d. 119mmol/L 3. calculate the value of sodium where the PREC solution has diclored. data gathered are the following: Absorbance of Reagent Blank = 0.3124 Absorbance of sample = 0.114, Absorbance of standard = 0.275 value is 150mmol/L a. 108.2 mmol/L b. 170.4 mmol/L c. 795.72 mmol/L d. 79.5 mmol/L
Give the complete solution.
pH 3.5 4.5 5.5 6.5 7.5 8.5 Absorbance 0.098 0.027 0.068 0.028 0.032 0.054 Concentration in diluted supernatant (mg/ml) 0.196 0.054 0.136 0.0056 0.0064 0.0108 Concentration in undiluted supernatant (mg/ml) 0.98 0.27 0.68 0.28 0.32 0.54 % solubility Formula for % solubility of proteins: % solubility = [(C x V x F) / (1000 x 35%)] x 100% C = concentration (mg/ml); F = dilution factor; V = volume of solution (ml) Calculate the % solubility of protein in the soy flour (Assume the soy flour contains 35% protein (w/w))
Subject: chemistry
Please look at image for question! Please help.
explain why? Amikacin is an aminoglycoside antibiotic. Its elimination half lifeand the apparent volume of distribution are reported to be 3 hand 0.25 L/kg respectively. Deternimne the amikacin placmaconcentration at 4 h following an IV bolus dose of 6.25 mg/kga. 9,923 microgram/Lb. 6,25 mg/Lc. 9,923 mg/Ld. 9,923 mg/h Ciprofloxacin (Cipro) is a fluoroquinolone antibotic. Itselimination half life and the apparnt volume of distribution are 4h and 2,25 L/kg respectively. The IV bolus administration ofciprofloxacin yielded the plasma concentration 1,048microgram/mL at 6 h. Determine the administered dose ofCipro?a. 2,963 mg/kgb. 6,667 mg/kgc. 2,963 microgram/mLd. 5.0 mg
DISCUSSION Compare each pH measurement What could be done if pH is not proper? Why did we add agar after we measure the pH? Any other?
Calculations: Explain how you will prepare 100 cfu/mL bacterial suspension. Present in diagram if necessary and show all calculations involved.
Complete Solution
Assignment Score: 74.6% Resources O Hint Check Answer < Question 17 of 28 Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. Acidic Basic Neutral Answer Bank H|= 1.0 x 10-7 РОН 3 7.00 pH = 8,39 OH= 9.0 x 1o POH = 5.34 POH = 10.32 H = 5.0 x 10 [H- 3.5 x 10-D pH= 5.50 OH = 8.9 x 10
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