Which is more accurate, a transfer pipet or a measuring pipet? How much is the uncertainty in microliters when you deliver (a) 10 !L or (b) 100 !L from a 100- !L adjustable micropipet?
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- How many replicate measurements are needed to decrease the 95 and 99% confidence limits for the analysis de- scribed in Problem 7-7 to + 2.2 ug Fe/ml?5. Sketch following: cubic: (111), (01-1) and , Deriu uith0.2 to 1.0 mg/ml: For each concentration, a volume of 1.0 mL should be prepared. How will you prepare these standards using micropipettes and which one would you use? There is a: 0,5-10 microliter pipette; 2-20 microliter pipette 20-200 microliter pipette 100-1000 microliter pipette.
- Is to An order Tor KCI 10 MEq in 250 ML be administered at a rate of 75 gtts/min using a microdrip set that delivers 60 gtt/mL. How long in minutes will take to infuse the this IV product? Answer must be numericwhat is the biggest buret size that'll deliver 4.8mL with a relative error less than or equal to 0.5%The pharmacist attempts to weigh 80mg of sodium carbonate on a balance having a sensitivity requirement of 4mg. Calculate the maximum potential error in terms of percentage.
- Page No. Date : Samplz Exercise O A 6.0 FA Person weighs16816. Express this person's height in meters and weight in kilograms. (1lh =H$3-69 nm=3.28ft.) SHOT ON MI9T Al TRIPLE CAMERAChapter 1 - Breakout Room Questions Read-Only - Word O Search andrea valera AV Design Layout References Mailings Review View Help 8 Share O Com Draw O Find & Replace 13.5 A A Aa Ao ミ、ミッに、E王 T AABBCCC AaBbCcC AABE AaBbC ab x, x' A .A E EE= E - E 1 Normal 1 No Spac. 1 Heading 1 1 Heading 2 - A Select v Dictate Sensitivity Editor Re Paragraph Styles Editing Voice Sensitivity Editor Reus Font 1. If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a hydrogen bond? a) Н-Н b) H3N......H-O-H c) H4C......H-F d) H2O......H-CH3 Answer: Explanation: D Focus Exit Min English (United States) o search O 61% Marcella SotiESF X empt/quiz_start_frame_auto.d21?ou=9739790&isprv=&qi=11007766&cfql=0&dnb=0&fromQB=0&inProgress=1 ystems Question 5 (1 point) Ben starts walking along a path at 3 mi hr¹. Amanda starts jogging along the same path 1 hour later at 5 mi hr. After how much time jogging does Amanda catch up to Ben? 3.5 hr 2.5 hr 2 hr 16
- Which is more accurate, a transfer pipet or a measuring pipet? What is theuncertainty in microliters when you deliver either 10 mL or 100 mL from a 100-mL adjustable micropipet?(a) Explain the difference between systematic and random errors. State whether the errors in (b)–(e) are random or systematic. (b) A 25-mL transfer pipet consistently delivers 25.031 + 0.009 mL when drained from the mark. (c) A 10-mL buret consistently delivers 1.98 6 0.01 mL when drained from exactly 0 to exactly 2 mL and consistently delivers 2.03 6 0.02 mL when drained from 2 to 4 mL. (d) A 10-mL buret delivered 1.983 9 g of water when drained from exactly 0.00 to 2.00 mL. The next time I delivered water from the 0.00 to the 2.00 mL mark, the delivered mass was 1.990 0 g. (e) Four consecutive 20.0-mL injections of a solution into a chromatograph were made (as in Figure 0-6) and the area of a particular peak was 4 383, 4 410, 4 401, and 4 390 units. (f) A clean funnel that had been in the lab since last semester had a mass of 15.432 9 g. When filled with a solid precipitate and dried thoroughly in the oven at 1108C, the mass was 15.845 6 g. The calculated mass of precipitate was…For a sand filtration device, the flow rate of the influent is 30 m3/day with the sand filter area of 10 m². Which of the following is wrong? O A. This is a high-rate sand filter O B. This is a slow sand filter O C. The sand filter has a loading rate of 3 m3/(d-m2) O D. Sand filter requires backwash or replacement at certain frequencies.
