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- Data Mass of unknown metal Cark te ?l.005g Volume of uniknown solotion CmL) Volume of HCI added Inital burct readinglmL) Final buret reading (mL) 20.00ML (mL) 15.00mL 20.SSmL 30.90ML Volume Na OH delivered (m L) Concentration of HCI: O.1708M Concentrahon of NaOH: O.1000M * Pipetted 10.35mL 20.00mL Of solution prepared in 250.0 mL volumetric flask Questions', 1. Calalate the number of moles of Na OH used for back titration? 2. Calculate the number of moles moles of metal carbonate present in 20.00mL portion of the metal Carborate soltion? 3. Calculate molar masS of 3.Calculate in knon metal carbongte: Egbabl Qe A Solution is Prefared Tby dissdlving 6g AgNoz ina 250-ml Volumetric Hask and diliting the molaurity of the Silver nityate Solution How to Volume. alculute Many millimoles Ag No3. Were dissalved7 twt Ag Noz 169-9Hatprod STABILO EAS (0) ev qien se come an enll riquor AigW Vinumiabs onlinenetow eeu of riding to eve g1-1 The concentration of Salt is 252 2 • There is a muxbure of Salts in the water leg) Na (1₂), bub assume a weighted average sowice Мавше relabure molecular mass of the Salt mixture of 85.40, Express the concentration of Dead Sea Salb in moles p males per u pen.ac.uk/mod/ou content/view.php?id=1858530§ion=4 Lione 18/05/2022, 14:15 Page 2 of 2
- MindTap X Back Login | X 781305657571&nbld=3576712&snapshotld-3576712&id=1853781... e Submit Answer 104 Gallup A X pecies in Solutions of lonic Compounds: This is group attempt 1 of 5 hp FIO TTTU | Ste X The compound iron(III) chloride is a strong electrolyte. Write the transformation that occurs when solid iron(III) chloride dissolves in water. Be sure to specify states such as (aq) or (s). D-II Use the References to access important values if needed for this question. DAI References Po L Sign In X A ☆ myhp a cengage X F PRT SC CO + Q Search this course A DELETE Regenerate Group BKSP HOME X Next 4x LOCKTonight to J 005.0 of babbs al DHM AE0.0 to Im 00.E nariw afluze nolautors to (6 points) 0.1 mole of CH3NH2 (Kb = 5 x 10") is mixed with 0.08 mole of HCI and diluted to 1L. What will be the H* concentration? OH= CH3NH2 + H CH3NH3* HA Sample Containfng mmol of KNOS is "parsed 6.00 x10-2² mmol of vesay ad z.00x102 mmol af ves@y ad 2.00x1o2 though a cation -excharye Column. the Colculate. volume o.02.00 M NaH of needed to titrete the elwate,
- 10:31 „0. O O ? 86%i E AIATS For Two Year Medic... A 88 /180 (02:53 hr min Mark for Review HX (C,H,CO),O, The product (A) can be obtained by using HCI HBr HI НЕ Clear Response IIThe following set of chloride on seperate all quots Of a pette pooled Serum obtaned from SMu chemistry lab here reporterd by (43) students : (03:106; (07 and 114 meqlL. analysis One value qppears suspect. Help these Students to determine if it can be ascribed to the acudental 95% Confidence level. error otA 0.64 g sample containing KCl ( mw = 74.6 ) is dissolved in 50mL of water and titrated to the Ag2CrO4 end point, requiring 26.2 mL of 0.15 M AgNO3 .The %w/w KCl in the sample is ?
- H1 gramof Sampleof an impure mixture af NARCOZ and Natteo, containing impurties is dissalved and tityated with SN Hel wit p colourless after addition5mD otacid-Methyt ge is then added and 22ontof, acid reguired orange tochange the of Naz coz benotphthalein as indicator, the sotudion Curns this indicator what is the percoulye and Na Heoz in the sample ?Example /A0.527g sample of mixture containing NazCO; and NaHCO; and inert impurities phenolphthalein endpoint and a total of 43.8mL to reach the modified methyl orange endpoint, what is the percent each of Na CO3 and NaHCO; in mixture? is titrated with 0.109M HCІ, requiring 15.7mL to reach the Solution:H Redew i Conatant MISSED THIST Watch KCV2. Head Secnon 3 You can cick on the Review ink to accese the section in your e Text Part A Consider the folowing unbalanced equation for the neutalzation HC,H,O, (ag) +Ca(OH), (ag) of acetic acid H,0 (1) - Ca C,H,0,), (ag) Balance the equation Express your answer as a chemical equation. Identify all of the phases in your answer. DAchemical reacton does not occur tor this question Submit Previoun Answern BReavent Anewer X Incorrect; Try Again; 5 attempts remaining