A sample of an industrial waste water is analyzed and found to contain 16.5ppb Fe2+. How many grams of iron could be recovered from 1.81×103 kg of this waste water? Answer:_______ grams Fe

Q: 4.A student dissolves 1.18g H2C204. 2H20 (MM= 126.07 g/mol) in water and titrates the solution with…

A: Given, H2C2O4 + 2NaOH ➝ Na2C2O4 + 2H2O mass of H2C2O4.2H2O = 1.18 g molar mass of H2C2O4.2H2O =…

Q: STARTING AMOUNT 0.1 6.60 If you have 155 mL solution of a 0.762 M FeCl solution, how many grams of…

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Q: A sample of sodium hydrogen carbonate solid weighing 0.1491 g requires 37.83 mL of a hydrochloric…

A: Given data contains, Mass of sodium hydrogen carbonate is 0.1491 g. Volume of hydrochloric acid is…

Q: 1. Determine how many grams of aluminum will be produced when 15 grams of sodium is placed in 150 mL…

A: Given information,      3 Na + AlCl3  → 3NaCl + AlMass of Na = 15 g, volume of AlCl3 = 150 mL and…

Q: Question 1

A: The given chemical reaction is represented as follows:

Q: It is possible to remove toxic Hg+2(aq) from water by the addition of Na2S(aq) as shown below.…

A: The given net ionic equation as follows --- Hg2+(aq)   +   S2-(aq)    →    HgS (s)  ...........(i)…

Q: Balance the following equation using whole numbers. What is the coefficient for CO2? C9 H18s +O 2…

A: Combustion :- Burning of a compound in excess of air or oxygen is known as combustion . Combustion…

Q: How many mL of 3.000 M NaOH solution are needed to react with 2.000 g H3PO4 ?  The molar mass of…

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Q: in problems 1 and 2 for problems 3-5. 1. a. Write the balanced equations for the half reactions…

A: We first calculate the moles of Mohrs salt present. And from that we can calculate the moles of…

Q: Write down the oxidation state of each of the labeled atoms in this molecule: H CH3 H H H H…

A: Oxidation number

Q: QUESTION 35 Balance the following equation: v H 2S Sr(OH) 2 -> SrS VH 20 H20

A: In balance equation number of each atom on reactant side should be equal to number of each atom to…

Q: 2. Given the foliowing equation solve for what is asked below. MnO2+KOH +30+0 Cla 4 KMNO, + KCI + 2…

A: Since you have posted a question with multiple sub-parts, we will solvefirst three sub- parts for…

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A: Given -> (8.7 mol/L )(0.16 []) (59.65 g/mole) = 83 g

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A: For the strong electrolyte, when it is dissolved in water it gets dissociate into its cations and…

Q: Which compound has the element X with the oxidation number of +6. (select all that are correct)…

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Q: Question 5 Calculate the percentage of MnO2 (MW 86.937 g/mol) in a mineral specimen if the 12…

A: We are given : Volume of Na2S2O3  used = 29.89 mL = 29.89 × 10-3  L  Molarity of Na2S2O3  = 0.0814 M…

Q: QUESTION 7 Reactions in Aqueous Solution In this lab, cation nitrate solutions were reacted with…

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Q: TIOW many grams of Cu(OH)2 will precipitate when excess KOH solution is added to 46.0 mL of 0.532 M…

A: Number of mole is calculated by dividing given mass with molecular mass.

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Q: What is the oxidation number of chromium in the chromate ion, CrO,2 ? Oa. +2 O b. +6 +3 O d. +8

A: 14) Compound-- CrO42- oxidation number of Cr= x = ?

Q: Average Molarity of NaOH (from your analysis) = 7.56 mol/L NaOH Write and balance the chemical…

A: Balanced Reaction CH3COOH + NaOH --> CH3COONa + H2O 1 mol acetic acid reacts with 1 mol sodium…

Q: Answer #3 (a & b) (c & d)

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Q: Which of the following correctly describes the values of % AE and the E-factor for the reaction…

A: Atom economy is defined as the conversion efficiency of a chemical process in terms of all atoms…

Q: An aqueous solution of nickel(II) nitrate, Ni(NO3)2, is made by dissolving 8.96 grams of nickel(II)…

A: Weight / Volume % is defined as the mass of solute present in 100 mL of Solution.

Q: The following chemical reaction Was perfor iodide for a biochemistry investigation. Experimenters…

A: 2 CuCl2 + KI ==> 2 CuI + 4 KCl + I2

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Q: Please fill in blanks as shown on problem!!

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Q: What concentration of ClO3 results when 675 mL of 0.319 M AgCIO, is mixed with 887 mL of 0.801 M…

A: Concept:  Upon mixing the solution the concentration depends on the final solution volume and the…

Q: CIO₂ → CIO3 02 05 O 3 O 0 200 ml of 2.4 M KOH solution was diluted to 600 ml. What is the Molarity…

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Q: Be sure to answer all parts. The active agent in many hair bleaches is hydrogen peroxide. The amount…

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Q: 2. Explain the signs of AG°, AH°, and AS° and also what these values tell you about the process of…

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Q: Which compound has the element X with the oxidation number of +3. (select all that are correct)…

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Q: sample is potassium ferrioxalate  find and show work  Moles of Fe3+ (mol) Mass of Fe3+ (g) Mass…

A: The reaction is: Fe3+ + 3OH-  → FeOH3 According to the reaction 1 mol of Fe+3 requires 3 mol of OH-…

Q: An aqueous solution of propyl alcohol is made by transfering 21.5 mL of liquid propyl alcohol to a…

A: V/V % is defined as  percent ratio of volume of solute to the volume of solution .

Q: Reaction: 2HCI + Ca(OH)2 →2H20 + CaCl2 Volume of saturated calcium Initial Burette Final Burette…

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Q: The indicator used and the color change in the bleach analysis experiment: C) I 2 \red to colorless…

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Q: Editing Styles Paragraph Determine the difference in the oxidation number of the carbon atom in…

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Q: What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 10 M solution? STARTING AMOUNT ADD FACTOR…

A: Given:  Volume of solution = 120 ml = 0.120 L  Molarity of solution= 2.40 × 10-5 M

Q: Chemistry Find the molarity of NaOH, net volume, and average molarity using the data given:…

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Q: In the reaction SO2 + 2 H2S 3S + 2 H20 O a. sulfur is both reduced and oxidized O b. sulfur is…

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Q: What is the molarity of a solution made by dissolving 12.711 g of potassium carbonate, K2CO3, in…

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Q: A 2.50 g sample of KCl is dissolved in 34.0 mL of water. The resulting solution is then added to…

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