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To measure the amount of iron in a certain type of iron ore, an analytical chemist...
To measure the amount of iron in a certain type of iron ore, an analytical chemist dissolves a 24.00 g sample in strong acid and titrates it to the endpoint with 28.8 ml. of 0.4400 M potassium permanganate (KMn0) solution The balanced chemical equation for the reaction is: SH (aq)+SFe (aq) + MnO, (ag) SFe (a)+ Mn(ag) + 4H,0(0 dh Oprecipitation What kind of reaction is this? acid-base X Oredox If you said this was a precipitation reaction, enter the...
To measure the amount of citric acid (CH0(cO,H)in a certain candy, an analytical chemist dissolves a 21.00 g sample of the candy in 100. mL of water and titrates this solution to the endpoint with 28.5 ml. of 0.2400 M sodium hydroxide (NaOH) solution The balanced chemical equation for the reaction is: + sOH (a)CH,o(co), (aq) + 3H,0(0 C,H,O(Co,H),(a) Oprecipitation Oacid-base What kind of reaction is this? X redox If you said this was a precipitation reaction, enter the chemical...
To measure the amount of citric acid (C,H,O(CO,H), in a certain candy, an analytical chemist dissolves a 14.0 g sample of the candy in 150 ml. of water and titrates this solution to the endpoint with 10.6 ml. of 0.2500 M sodium hydroxide (NaOH) solution. The balanced chemical equation for the reaction is: C,H,0(CO,H) (aq) + 30H" (ag) - CH.0(CO) " (aq) + 3H20 (1) Oprecipitation acid-base O redox PO X 5 What kind of reaction is this? ? If...
O RE BEACTIONS Solving a redox sitration problem To measure the amount of calcium carbonate (CaCO) in a seashell, an analytical Chemist crushes a 3.20 g sample of the shell to a fine powder and titrates it to the endpoint with 375. ml. of 0.1500 M hydrogen chloride (HCI) solution. The balanced chemical equation for the reaction is: 2HCl(aq) + Co (aq) → H2CO3(aq) + 2a" (aq) What kind of reaction is this? Oprecipitation acid-base redox If you said this...
To measure the concentration of an aqueous solution of H.O an analytical Chemists endpoint with 72.9 ml 0.3200 Mpotassium permanganate ( 0) solution strong acid to 450 gaple of the solution and rates it to the The balanced chemical ecuation for the reactions: 6H(aq) SH..(aq) + 2Mno, Goy) - 50.6) + 2Malas) + 8H,000 What kind of reaction is this? precipitation redox XS ? you said this was a precipitation reaction enter the chemical formula of the precipitate you said...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.200 M sodium hydroxide (NaOH) solution to a 20.00 g sample of the fiuid and collects the solid nickel (II) hydroxide (Ni(OH) product. When no more Ni(OH), is produced, she filters, washes and weighs it, and finds that 0.288 g has been produced. The balanced chemical equation for the reaction is: Ni (aq) +2NaOH(aq) Ni(OH),)+2Na (aq) 4 Oprecipitation acid-base What kind of reaction is this?...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) hydroxide (Ni(OH)2) product. When no more Ni (OH) is produced, he filters, washes and weighs it, and finds that 206. mg has been produced The balanced chemical equation for the reaction is: Ni2+(aq) + 2NaOH(aq) Ni (OH)2(s) + 2Na+ (aq) ■ precipitation x 10 acid-base...
i need help answering the table by tonight for my test!! thank you!! Trial 1 Prelaboratory Assignment 1. What is the primary standard used in this experiment? What is the molar mass of the primary standard? 2. Use the chemical formula for the primary standard to write the chemical reaction for the standardization of potassium permanganate. 3. What will indicate the endpoint of the titration? 4. A 0.495 g sample of iron containing salt required 20.22 mL of 0.0194 M...
Help please??! Molarity of KMnO4 is 0.0100 M Determination of oxalate in Kufe.(0,0...0). Name AB A LOCAL Partner's Name MA R ENDALL Total mass of product synthesized in previous experiment (6) 1720 g Molarity of KMnO. (Record from the label on the container) Trial 1 Trial 2 Trial 2 0.105 1. Mass of sample taken for titration (g) 0.11 2. Initial burette reading (ml) 0 Final burette reading (ml) 20 33.4 22.2 4. Volume of KMnO, used (ml) 2.2 5....
BACKGROUND: Synthesis of Potassium Iron (III) Oxalate Hydrate Salt The iron(II) ions from Fe(NH4)2(SO4)2•6H2O will be precipitated as iron(II) oxalate. Fe^2+(aq) + C2O4^2-(aq) --> FeC2O4 (s) The supernatant liquid, containing the ammonium and sulfate ions, as well as excess oxalate ions and oxalic acid will be decanted and discarded. The solid will then be re-dissolved and the iron(II) ions will be oxidized to iron(III) ions by reaction with hydrogen peroxide. 2Fe^2+(aq) + H2O2(aq) --> 2Fe^3+(aq) +2 OH^ - (aq) The...