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- ECture 1_all.mp4 - Google Drive X A Classes u/0/c/M)Y1MDI1MT95MTM3 lute 50 mlL of the concentratc 00 mL Open with Describe the preparation of 750 mL of 6.00 M H;PO, frc.n the commercial reagent that is 86% H2PO, (w/w) and has a specific gravity of 1.71.12) How much water that required add to 200 ml HNU, I densly -1.285 gm/ ual) contains 46 wt% acid to Convert lo wt% acid Solution ? Ars. i 919.6 mlA 1.59 g sample containing KI was analyzed gravimetrically and 0.0538g of Barium Iodate was recovered... express the results of this analysis as percent posassium iodide.
- Calulate the foncentration of patassiut grams pertitter after miXing(oomt)ofCo-250M) ket and (z00mnttof fortoo MKISO fon-incontain- U w/y of sucrose should be mixed acid having a snecific gravity of 1.820 ing w/v of sucrose to make a syrup containing with 150 mL of a syrup containing 60% w/v of sucrose to make a syrup containing Lo80% w/v of sucrose? br of con तो भोट al 30. R 5 mL salineg Castor Oil on hand Resorcinol Monoacetate 15 mL Alcohol 85% ad Sig. For the scalp. 240mL he acetare w many How many milliliters each of 95% v/v alcohol and water should be used in pre- paring the prescription? ay mil- Ashould ed sus- ** How many milliliters of 95% w/w sulfuric acid having ST snecific gravity of 1.820 ml- Chapte x 6 Questio x G "How m X O Chem C x E R.12 ML x A Frequen x E Advanc x * Google x E R.12 ezto.mheducation.com/ext/map/index.html? con=con&external browser%3D0&launchUrl=https%253A%252F%252Flms.mheducation.com%252 Saved apter 4 Assignment 13 3 attempts left Check my work Enter your answer in the provided box. How many grams of KOH are present in 30.0 mL of a 7.39 M KOH solution? ts g eBook Print ferences
- Q7\ How to prepare 20 MLof 0.1 N of H2SO4, if the density 1.8 g/ml & percentage 97%m .wt of H2SO4 -98%Q3 Draw the phase diagram for metals (A. B) with melting points (1180°C, 1455°C respectively). They are completely soluble in cach other in solid stale. Follow up the cooling of alloy with 60% B: 1- Find the melting range of alloy with 20%A (start of solidification, end of solidification). 2- 2- Find the Percent, chemicals composition of liquid and solid at 1300°C for alloy with 60%B 3- Draw the microstructure for alloy 30% B at room temperature.QI/Prepare 0.1N of CH,COOH in 500 ml., Specific gravity 1.05 gm/cm and percentage 99.5% ?
- =.01002 mo B. PREPARE 20 mL of ~ 1M Cacla. 50ml using a balance, weigh out the calculated mass of CoCl₂ 21₂0 M = 2.00×10-4 Into a tared 150ml beaker. Record actual mass of Salt used. Calculated actual masses should agree to + 1.0g of better. Use a graduated cylinder to add 20.0ml of DI water to Flask. Stir Solution w/ stirring rod or a stir bar & Stil plate until the salt is fully dissolved. A better description of the concentration of a solution prepared in this manner is weight percent (wt%.) units, calculated as (g solute/g solution) x 100%, where g solution -g solute + g solvent Calculate report wt% of Ca²t of this solution, water density being 1.0 g/ml 24 Approximate mass of Calla-2H-0 Actual mass of Ca Cl₂ 2H₂0 weighed Wt7. Cata calculation 2.94 2.9470g Chemistry 88, No. 3 (2016) average mass per atom or wData Mass of unknown metal Cark te ?l.005g Volume of uniknown solotion CmL) Volume of HCI added Inital burct readinglmL) Final buret reading (mL) 20.00ML (mL) 15.00mL 20.SSmL 30.90ML Volume Na OH delivered (m L) Concentration of HCI: O.1708M Concentrahon of NaOH: O.1000M * Pipetted 10.35mL 20.00mL Of solution prepared in 250.0 mL volumetric flask Questions', 1. Calalate the number of moles of Na OH used for back titration? 2. Calculate the number of moles moles of metal carbonate present in 20.00mL portion of the metal Carborate soltion? 3. Calculate molar masS of 3.Calculate in knon metal carbongte119 X My Course X Macmillan: X Course Mo X What is the FORMULA for the limiting reagent? Submit Answer Sections 5 X .com/static/nb/ui/evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshoti... Use the References to access important valdes ir needed for this question. 900 For the following reaction, 9.43 grams of carbon (graphite) are allowed to react with 28.5 grams of oxygen gas. carbon (graphite) (s) + oxygen (g) carbon dioxide (g) What is the maximum amount of carbon dioxide that can be formed? What amount of the excess reagent remains after the reaction is complete? HOMEWOR X MacBook Air MindTap - C X GI grams grams
