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- 21 Online teaching and lear X now.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take 5 100 (M) (M) ts 2req Ots 2req pts 2req 1 pts 2req 1 pts 2req 1 pts 2req 1 pts 2req Visited 1 pts 2req 1 pts 2req 1 pts 2req do % 5 G f6 [Review Topics] [References] Use the References to access important values if needed for this question. An aqueous solution of ammonium fluoride, NH4F, contains 0.830 grams of ammonium fluoride and 17.6 grams of water. What is the weight/weight percent of ammonium fluoride in the solution? Weight/weight percent = 10 + Submit Answer Y I Q Search &7 18 Retry Entire Group * 4 4+ 8 fg 96 K 9 more group attempts remaining cỡ m hp KA f10 . UC ADI 12 + P ins prt sc delete backspace home num lock enter 8:06 PM 5/18/2023 end * A 7 home pg up 004 S( plz asap withn 10 min dont answer after 1.00 pm)draw structure please
- 26(b=1.00 cm). The absorbance of the solution at 427 nm is 0.20. If the molar absorptivity of yellow dye at 427 nm is 27400 Mcm, what is the concentration of the solution in M? Type answer: ere to search 49°F Partly sunnyNernst equation for pair Cr,0,|2Cr": RT a(Cr,0; )a4(H*) a°(Cr³*) E = E° + In nF RT a(Cr,0} )a(H*) lg nF E= E° + a²(Cr³*) RT E= E° + nF lo9(Cr,O; )a'* (H*) a(Cr³*) nF E = E° + RT lo a(Cr,O; )a'*(H*) a(Cr³*)
- ride (35.5) of a 50 Answer: 0.57 ppm of chloride (b) Nurmalidy 3-9. Calculate the formality Jof each of the solutions resulting on mixing solution A with solution B. Coneen (d) 12 (e) 20 () 415. You hav Solution B Solution A Volume, ml Formality Formality Volume, ml 200.0 100.0 0.120 0.150 300.0 50.0 80.0 many mi (a) (b) (c) 0.1015 0.1250 2.5 50.0 80.0% 46. Exp 3.2 300.0 1.0 2.0 500.0 22What does cross peak X tell you?7