Evaluate the quotient. 2.67 X 10^3 divided by 7.09 X 10^-7

Q: Choose the correct answer and show the step by step solution.

A: These are the different ways of calculating concentration, Molarity, Molality, Mass Fraction and…

Q: How many grams of ammonium sulfate (NH4)2SO4 are needed to make 6.0 liters of a 2.5 M concentration?…

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Q: What volume of 5M NaOH is needed to provide 0.75 mol of NaOH?

A: Given: Concentration of NaOH = 5 M And moles of NaOH required = 0.75 mol.

Q: Strontium hydroxide solution, Sr(OH)2, is 0.96molars. How many normals is the solution…

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Q: a HOCI, HI, Nal, NaOCl Increasing pH of 0.15-M solution Drag and drop your selection from the…

A: (a) Given solutions: HOCl (weak acid) NaI (neutral solution from from strong base NaOH and strong…

Q: Calculate delta solutionH (kJ/mol) when potassium bromide is added to water?

A: Let the mass of water used in the solution be m kilograms and the rise in temperature of solution on…

Q: Calculate the hydrogen ion concentration and the hydroxide ion concentration in wine from its pH. as…

A: pH gives the measurement of how acidic or how much basic the given solution is. The range of pH is…

Q: Calculation of the average molarity of NaOH solution;

A: molarity is the number of moles dissolves in a one-liter volume of solution. formula, molarity=no of…

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A: Mixing of acid and water is an exothermic process. Exothermic process is the one in which heat is…

Q: If the solution turns blue litmus paper red, then the solution contains acid. The salution turns the…

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Q: 1. NaCN, THF Br 2. LİAIH4, THF 3. H,0* quench

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Q: Calculate the number of gram equivalents in 8 gram of Calcium hydroxide, Ca(OH), Equivalent weight…

A: Answer: Molar weight of calcium hydroxide is 74g/mol and given mass is 8g Calcium Hydroxide is a…

Q: Which of the ionic compounds listed can cause water to become hard MgCl2, NaCI, NazSO4, CasO4,…

A: Water becomes hard when in contact with soluble, divalent, cations. The two main cations that cause…

Q: Explain the chemical reactions and changes that happen as ocean water becomes acidified

A: Ocean water is slightly alkaline i.e. basic in nature having pH = 8.2 to 8.4 . The ocean water…

Q: Complete and balance the following equations.  Express the following answers as a chemical equation.…

A: Given: 1) HCl(aq)+Ba(OH)2(aq)= 2) H2SO4(aq)+KOH(aq)= 3) HClO4(aq)+ NaOH(aq)= balancing the above…

Q: Calculate the pOH for a solution where [H30*] = 5.7x10-5. Express your answer to two decimal places.…

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Q: can volumetry or electrogravimetry be used to measure lead concentrations in water?

A: Volumetry or volumetric analysis is a technique that is used tp determine the amount of substance…

Q: Na/ NH,

A: The given reagent Na/NH3 is called birch reagent and it converts alkyne into trans alkene.

Q: %3D (3M K2HPO4 will be needed to make this solution?(

A: pH for the buffer is given by the expression:   pH=pKa+log[K2HPO4][KH2PO4]

Q: Determine the molar concentration of 5,0 moles of calcium hydroxide (Ca(OH)2)dissolved in 200ml of…

A: Given: The number of moles of calcium hydroxide is 5.0 mol. The volume of the solution is 200 mL.

Q: Complete and balance the following equations. Then, write balanced net ionic equations. ii. CuzSO4…

A: The idea is here that you are mixing two soluble compounds,copper(ll) sulfate,CuSO4 , and…

Q: ever been swimming in a pool, and your eyes were red when you get out? This means the chemicals in…

A: pH is a measure negative log of hydronium concentration. 0-7 pH is acidic 7-14pH is basic

Q: Calculate H3O*| of the following polyprotic acid solution: 0.135 M H3C6H5O7. (Kal = 7.4 x 10 4, K2=…

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Q: How can dilution can sometimes affect the conductivity in solutions

A: On dilution, the equivalent conductivity and the molar conductivity increases. This is because the…

Q: Kr ions 12.3mL(1.36mol) In. KBr solution

A: Given: The volume of the solution of KBr=12.3mL=0.0123 L. The number of moles of K+ ions=1.36 moles.…

Q: Explain why pure water has the maximum water potential.

A: Water potential is the potential energy of water per unit volume relative to pure water in reference…

Q: For each of the following values, identify the number of significant digits of the value. [H₂0+…

A: Significant digits are those value from which we can accurately a quantity.

Q: 25.00 mL of sulfuric acid requires an average volume of 28.55 mL of 0.8165 sodium hydroxide to reach…

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Q: Na/NH,

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Q: If the H+ concentration of a borewater sample was 1.00 x 10-8 M, what is its pH?

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Q: DEFINE THE FOLLOWING, AT LEAST 100-200 WORDS EACH Volumetric analysis Gravimetric Analysis Standard…

A: Volumetric analysis:- Volumetric analysis is a quantitative analytical method which is used widely.…

Q: [H+] = 3.865 x 10^-9 M ; calculate [OH-]

A: At 25°C , the product of H+ ion concentration and OH- concentration of a solution is equals to 10-14…

Q: 7.0 °C? (assume complete dissociation).

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Q: Explain measures that we can take at the local level to reduce the negative impacts associated with…

A: Answer -  Ocean acidification - Ocean acidification is the ongoing decrease in the pH of the oceans,…

Q: Always poured_ to water not A. Concentrated bases, repeat the process O B. Dilute acids, opposite…

A: Given: Some problems related to laboratory To Find: Correct answer Solution: Acids are those…

Q: How many grams of NaCI must be added to 2.00mL of water to make a 85.5M

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: Sort and explain the degree of miscibility of 3 molecules in water: CH3COOH (acetic acid); C2H5OH…

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Q: Explain why water molecules gather ions much more effectively?

A: When either a positive or negative charge is present on an atom then it is called an ion.

Q: Use the averaged volume of 0.020M KMnO4(aq) solution to calculate the number of moles of KMnO4…

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Q: Calculate the volume of water that must be added to a 10 mL sample of 0.5 M NAOH sc fold dilution. O…

A: Given, Initial volume = 10 mL  Molarity = 0.5 M

Q: (a) Use a table of vapor pressure of water at various temperatures to determi water vapor, PH,0

A: We have to find the partial pressure of water at temperature 22°C

Q: Compare Solution X to Solution A, Solution B, and Solution C. Solution X 8. 8 Solution A Solution B…

A: MOLAR CONCENTRATION = Number of moles of solute present in solutionvolume of solution

Q: 1) NaCN 2) HCI 3) Hао", heat HO СООН O HOOC, COOH CI, СООН

A: The question is based on the concept of organic reactions. we have to identify the product formed in…

Q: What volume of 0.200 M HCl is just sufficient to neutralize 50.0 mL of 0.400 М Ba(ОН)2? 20.0 mL 50.0…

A: The volume of HCl is to be calculated

Q: Calculate the normality of a) 0.85 M H,C,H,O, b) 1.20 M Ba(OH),.

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Q: Calculate the hydronium and hydroxide ion concentration of pure water at 100 degrees celsius (Kw =…

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Q: 5.1.3 Calculate the pOH of a 2.5 mol/L HCN solution. K 4.9 x 1010 %3D

A: Ka = 4.9 x 10-10  C = 2.5 mol/L

Q: Show all pertinent solutions neatly, orderly and completely. 1. NaMnO4 2. So32 3. KIO4 4. Nazs203 5.…

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Q: the hydronium ion concentration of an aqueous salution of 0.468 M hydrofluoric acid (k₁ = 1·20X10²4)…

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