[References) Describe the preparation of 750 mL of 5.30 M H3PO4 from the commercial reagent that is 86% HPO4 (w/w) and has a specific gravity of 1.71. Take mL the concentrated reagent and dilute to mL with water.
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Describe the preparation of 750 mL of 5.30 M H3PO4 from the commercial reagent that is 86% H3PO4 (w/w) and has a specific gravity of 1.71. Take ? mL the concentrated reagent and dilute to ? mL with water.
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- 119 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 gramsmL of H2SO4 solution 75 (specificgravity =1.18) containing 49% H2SO4 (w/w) is diluted to 590 mL. Calculate molarity ofthe diluted * .solution M 0.7 O M 7.5 O M 0.75 M 0.25 ODetermire He average, excluding any trails that fall outside t0. 0005 M of tte average, O o. 14569n3354 e 0. 145h193982 0.1457827298 @ 0. 1479657598 Average Modoity Molority lexcluding oatlers):
- Calculate the molar concentration of H3PO4 commercial reagent that is 86% (w/w) and has a specific gravity of 1.71.N 1 on 6. How many grams of KMnO4 are needed to prepare 75.0 mL of 0.350 M KMnO4? (4 pts.) r 2 W S X H cmd # 3 E D C $ 4 R F V % 5 T G < C B Y H & 7 U N * 00 8 1 i J D M K 9 O H I O 18 L P V IECture 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.
- Foreattt part of iTIS qtestfoni; tonsider FOHOWIHg Btetat: You need to make a stock solution of Ca( C2H3O2 )2 with a concentration of 6.50 M. You have a 850.0 mL volumetric flask available to make this stock solution in. You are then tasked with using this stock solution to prepare a sample for use in an experiment. The experimental sample should have a final volume of 15.0 mL and a concentration of 0.350 M Ca(C2H3O2)2. a) What is the molar mass of Ca(C2H3O2)2? b) How many moles of the solute would be needed to create the stock solution using the volumetric flask available? c) How many grams of the solute should be added to the volumetric flask to create the stock solution? d) What volume, in mL, of the stock solution should be used to prepare the experimental solution through dilution? US 目 MA bbhosted.cuny.edu/webapps/assessment/take/take.jsp?course_assessment_id=_1... R Paused E Apps G Gmail O YouTube O Maps Home Take Test: Test #1 * Question Completion Status: A MOving to the next question prevents cnanges to tnis answer. Question 4 of 20 > Question 4 4 points Save Answer What is the density of a solid sample that increased the volume of 25.2 mL of water to 34.9 mL when placed in the graduated cylinder and weighs 13.34 g? O A. 0.52 g/mL O B. 0.38 g/mL OC. 1.37 g/mL O D.0.73 g/mL A Moving to the next question prevents changes to this answer. Question 4 of 20 13,846 MAR étv S esc F2 F3 F4 F5 F6 F7 @ %23 24 2 & Q W E R Y IIweight % Pb (in galena) ive also added the formula just in case
- Please ansuer the followiveg themocheawishry questian. Starchiometny or (and Vimitinal excess reagont calculations midht be mecessany. Please shew all wark and explain essay. Steps in details a) Haw much energu is produced when 93.5 Oxygan reacts with 13.2q hydrapen in the followng reaction? of grams 2H2 + Oz Đ2H2O Att= -572 KJ b) How many grans of magmesiaom sulfate woud be praduced fram the fallowine reaction if 176g of energy is absorbed the reactian: by Alz (sou)o f 3Mq Iz+2AI G+3Mg(304) AM= +722 KJQ7\ How to prepare 20 MLof 0.1 N of H2SO4, if the density 1.8 g/ml & percentage 97%m .wt of H2SO4 -98%Q1) A Sada- Lime Sample is g0% NaoH and 10% Cao. f 3 gm is dissolved in 250 ml, what is Hthe tutal normality of the Selutton as abase ? How many mililiters of 0.5N H2S4 woutd be required to titrate ioo me of the Solution? Ans. ( 0.309N, 60.59 ml)