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- K o Mail - Thomps 2 8 https://app.101edu.co P Parchment Rel 3 80 F3 1 Write the balanced NET ionic equation for the reaction when Al(NO3)3 and Na3PO4 are mixed in aqueous solution. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction. + $ 4 F4 04 03- 2 Reset TW6D2PHI.pdf 0₂ P 15 % 5 3 4 3 213202 F5 Unofficial Transcri Question 14 of 40 4 -> Al O < 6 A 5 6 7 5 = 0+ F6 UAFS Registra Graduation Applica 6 MacBook Air ²+ & 7 07 NR N 0 3+ 7 8 9 0 09 口。 F7 (s) (1) (g) (aq) 8 4+ •x H₂O 8 CMy.UAFS - Stu Na DII FB Delete 9 F9 M Inbox ( ☆ F11.0 M H KOAC in 100 ml. Ans. 4.53. at the ec 8. 50 ml 0.1 M NH, is mixed with 100 ml 0.1 M HCI. What is the pi df the resulting mixture? 28. Sel volume Ans. 1.48. 9. Repeat problem 8, hutO 2N of 3 lit HySOq Sulution mixed with 3N Of 7üt Hysla solutian and 10 litor Ho is added. Then final Normality is A) 1.35 B) 2-7 c) 4.5 D) S.J
- 3. The end point is the point where equal masses of reactants combine */^~²) False True 4. Calculate the molarity of 10 ml sample of vit. C solution if the volume of (0.01 M) I₂ solution required for complete reaction is 7.5 ml. * (1 Drint) 1.3 x 10 ² 1.3 x 10 7.5 x 10 3 7.5 x 10 6A dilution of benzene in methanol is made by placing 1.5 mL benzene (density of benzene is 0.879 g/mL and its mol. Wt. is 78.1) in a 100-mL volumetric flask and brining to volume with methanol. What is the concentration of benzene in the solution in mg/L In ppmlC70 lll ll ... اجابة قصيرة A solution of Al2 (S04) 3 at a concentration of 0.3 N , What is the volume needed to prepare a solution at a concentratio 0.04 M in a volume of 150 ml of distilled water إجابتك كتب إجابتك.
- Determinati an 25 ml by dissolving 110n (111) per 1 This (as ml 750ml experiment Solution The to of was The a and process Q on added The portion layer taken 1 volumetric diluted Litre Colution Two These of in diluted ml soo 1% ETA of Question A. reaction an Solution 0₁ 446 9 of A. R. hydrated sulphate, (NH4) Fe (504) ₂ · 12H₂0 2 of distilled then of wertel) 0,0446 g/L of lion Absorbance was 250 ml in to ·layers frask was Is 2. 3. Was Chlore form and were 5 ml, 10 ml, 15 ml por tions 4. Iron • iron (111) four oxine it mixture the done. (111) seperatory conducted Volume SMT as 10 ml 15 ml 20 ml Plo + absorbance formed readings a (A.R) Jayer measured the por tions Solution was Water diluted out 20 ml were then Each of these mark against funnel as was after with for 8- ity droxy quinolate. follows. to iron (111) solution was prepared of then Calibration was ) 10 obtain collected. ammonium F. W-481,979 then these Absorbance 0,076 0,169 9185 0₁234. Shook. the shaking added portions…A 1.787 g sample containing some Fe2+ ion requires 31.50 ml of a 0.02188 M KMnO4solution to reach a pink endpoint. What is the percent by mass of Fe2+ in the sample?FSC 8 1921. Brightspace A Aktiv Chemistry C D Z < Q + # At F2 @ 2 What volume in mL of 0.3000 M NaCl solution is required to produce 0.2700 moles of NaCl? W S app.101edu.co Walmart - Hiring Ce... X F3 X # 3 11. Unit 12: Late Adulthood - Develo X E JC 4 D F4 с 144 $ JU F5 R LL F ► 11 % 5 V F6 t 44 T G A 6 F7 Simulation play - Labster B Y H F8 & 7 8 U N Question 7 of 9 DELL F9 X D * 8 J F10 ( M Walmart - Hiring Center 9 F11 JI K 2 O ) O F12 L P 4 : 7 +/- PrtScr W 8 Insert { ( **
- An unknown sample containing a mixture of NaCl and Na2CO3 was analyzed to determine the % composition of each compound. In the analysis for Na2CO3 (soda ash), the following data were obtained mass of unknown - 0.4436 g conc. of HCl used - 0.25 N initial volume - 0.5 mL final volume - 20.0 mL (MW soda ash) 106.12) 1.) What method was used to determine the concentration of HCl? 2.) What is the net volume of HCl used in the titration? 3.) What is % Na2CO3 in the given sample? NOTE: Round off your answer to a whole number (2 sig fig)An unknown sample containing a mixture of NaCl and Na2CO3 was analyzed to determine the % composition of each compound. In the analysis for Na2CO3 (soda ash), the following data were obtained mass of unknown - 0.4436 g conc. of HCl used - 0.25 N initial volume - 0.5 mL final volume - 20.0 mL (MW soda ash) 106.12) 1.) What method was used to determine the concentration of HCI? 2.) What is the net volume of HCI used in the titration? 3.) What is the % Na2CO3 in the given sample? NOTE: Round off your answer to a whole number (2 sig fig)3 Bal, (aq)+ 2 Nag POq Caq) 7 BalPO42 + l6 Nal laq • Consider the reaction of 30.0mL of 0.270M Balz with 20.0 mL of 0.3ISM Naz PO4. Lwhat quantity in meles of Balz are preset in the solution? are produced /What quantitg in moles of precipitate E ali Bal were consumed based on the balanced chomical equation? 6) What auantity in males of Na3 Pla aro present in soluction? d) What quantity in moles of precipitate are paduced if all the Naz PO, were cansumed based on the balanced chemi.cal equation? e) which reactant is limisting f What mass (in g) of precipitate is firemed when the limiting reactant is considered?