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- **** (5) 3 Opper mctal (ind Concentad ted und aad be oonsis hange in , releare of lgas mredcolo color to green releave of gas mn Hedcolor INU we and thabbles in thi botton solutim Not HNU3rani 3(Q) Hy Dnt (uNOgndi (L) Balanced Net Ionic Equation No.2/CHB en+GEARconcider the reaction: 3KOH+H3PO4---> K3PO4+ 3H20 a 41.2ml sample of koh solution of unknown concentration requires 26.3ml of .165M of H2SO4 solution to neutralize what is the molarity of the KOH solution please show work and sig figs thank youThe indicator of Moher regent is. O KCro4. O KMN04.
- Complete the neutralization reaction of phosphoric acid reacting with potassium hydroxide to form water and potassium phosphate. Input the coefficients of the reactancts and products, including 1, if applicable. Also, input the formula for the potassium phosphate in the last field. ?H3PO4 + ?KOH ---> ?H2O + ? & ?bWhen H2(g) react with 02(g) to f X y! When H2(g) reacts with 02(g) to X /index.html?deploymentld%3D5575088538553958224893344&elSBN=9781305657571... Q Search this co References Use the References to access important values if needed for this question. When HCI(g) reacts with NH3(g) to form NH,Cl(s) according to the following equation, energy is released into the surroundings. HCl(g) + NH3(g) NH,Cl(s) Is this reaction endothermic or exothermic? What is the sign of AH for the reaction? Would the energy of the surroundings increase or decrease as a result of this process? Submit Answer 1. Enthalpy and Representing Energy Change: This is group attempt2 of 5 Regenerate Group Autosaved at 4:41 PM Back Next 4:47 PM ) ENG 3/18/202 ChpSAn analyst wishes to add 256mg of CI to as reaction CMixture. How Many M:114ers of o.217M Bac12, Should be Added ?
- o/index.html?deploymentld%=55750828934189288909969212&eiSBN=9781305657571&snapshotld%32199898&id%3... ☆ IDTAP Q Search this cou Use the References to access important values if needed for this question. The concentration of H3ASO3 in a solution is determined by titration with a 0.1945 M Ce+ solution. The balanced net ionic equation for the reaction is: 2Ce*(aq) + H3ASO3(aq) + 5H2O(1) 2Ce*(aq) + H3ASO4(aq) + 2H3O*(aq) (a) If 19.83 mL of the 0.1945 M Ce** solution are needed to react completely with 30.00 mL of the H3ASO3 solution, what is the concentration of the H3ASO3 solution? M (b) Which of the two solutions was in the buret during the titration? (c) Suppose at the end of the titration, the solution containing the Ce³* ion is transferred to a volumetric flask and diluted to 300. mL. What is the concentration of Ce3+In the diluted solution? Submit Answer 5 question attempts remaininga) b) c) d) is Joh OH 1). 2) H30 MgBr 1) LIAIḤ4 2) H3O H₂CRO4 SOCI₂ H₂O, H2SO4The equation for a reaction by which a solution of sodium carbonate may be standardized is 2HC7H5O2+Na2CO32NaC7H5O2+H2O+CO2. A student determines that 5.038g of HC7H5O2 uses 51.89mL of sodium carbonate solution in the titration. Find the molarity of the sodium carbonate.
- You need to make an aqueous solution of 0.123M manganese (II) acetate acetate ion, C2H3O2 for an experiment in lab, using a 250-mL volumetric flask. How much solid manganese (II) acetate should you add?What is a calibration curve? (select the BEST description) A calibration curve is a serial dilution. O a. O b. A calibration curve is a graph that gives information. O c. A calibration curve is a method for determining the concentration of an unknown sample by comparing the unknown to a set of standard samples of known concentration. When using FerroZineM to determine the concentration of iron, how many moles of FerroZineTM are needed to complex 3.6x107 mol of iron? Answer:la a laccd sign in - X ||| ctrl shift T tab O CHEMICAL REACTIONS Calculating molarity using solute moles caps lock ILION McGraw-Hill Ec X A ALEKS - Shusha X https://www-awu.aleks.com/alekscgi/x/lsl.exe/10_u-IgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmym 0 lion x360 fn ALEKS μmol L A chemist prepares a solution of sodium hyposulfate (Na₂S₂O3) by measuring out 200. μmol of sodium hyposulfate into a 400. mL volumetric flask and filling the flask to the mark with water. Explanation esc Calculate the concentration in μmol/L of the chemist's sodium hyposulfate solution. Be sure your answer has the correct number of significant digits. →1 1 Z X Type here to search hp Check 2 x10 Graw # 3 X Xx WIL S alt ** 4 C S O % 40 5 V A- G B f7 4+ & 19 ALEKS 7 H hip 18 X IAA N 8 McGraw-Hill Ex A ALEKS-Shush x+ 95T1680XLLcyeOLT... A © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Acce 6:25 PM a 7/22/202 9 K M ho P f12 87°F Qo insert 1/5 [ alt prt sc 1 G 2 backspac pause…
