Q1: Tow me thenal- water mXtures are Containd in separate flas ks. The first mixture contains 40 at% methanol and the s e Cond Contains 7o wt 7. me thansl- It 200 9 of the first mixture is combined with 1509 of the second, what are the moss and composition of the product
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- Q1 // show by calculation how could you prepare 500 ml of 0.3N H3PO4 from its concentrated solution has density of 1.71 and percentage of acid equal 86% (w/w) ?If one mixes 50cm³ of EtOH and 50cm³ of H2O at room temperature; will the total volume of the solution be 100.0 cm³? Justify answer with appropriate calculations and explanationsHow can you prepare 500.0mt 0.0298 MNa SO, (142.04 g/mol) solution from the stock Na,SO, 1OH;0 (322.20 g/mol; 97%)?
- K/s 9:06 hw.pdf > Hw () Determine the melarity of e-ch of the folloning 2.25 kg of Cusoy in 1.45 Lof solusion O,006 mol. of Br, in lo mL of soleie O. s 0075 gm of C HHs Noz i n 1.osmL of solution Hint. The atomic numbers used in the above Problem ave O = 16 Cu: 29 Br: 35 K = 19 CI - 7 S: 16 Al: 13 N = 7MTNSA-Take Care Mz.. N7% O 10:12 AM You 1 minute agO Given Ongunal mass og KINO3 hation =o1579 mass o7 KNO3 = Mass 07 KNO3 collected mass 07 KN03 remaining, in Solution =lo43 Temperature of Cold sBlutron = 9°C Volume * Calculate the solubildy of KNO, in glmd by 7 water in solution =1ome 07Example 2/ A solution was prepared by dissolving 2.45 g of AGNO3 in sufficient water to give 50 ml , for this solution calculate wt - volume % , no . mfw AgNO3 taken , formality of solution of AGNO3.
- 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 KJWhich compound is most soluble at 30°C? O NANO3 NaCI O KCI O KCIO3 Cop Ce % & 6. 7Calculate te mass proont of NaS04 inasdution containing of Naz sO4 in vwate, where in He water has a volme 20g 3.
- **** (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+GEARne concentrated solution. 3- Describe the preparation of 400 mL of 6 F H;PO, from the commercial solution which is 85% (w/w) H;PO4 and has density of 1.69 g/mL.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 ( ☆ F1