A person’s blood alcohol (C₂H₅OH) level can be determined by titrating a sample of blood plasma with a potassium dichro-mate solution. The balanced equation is 16H(aq)+2Cr₂O₇²⁻(aq)+C₂H₅OH(aq)→4Cr³⁺(aq)+2CO₂(g)+11H₂O(l)If 35.46 mL of 0.05961 M Cr₂O₇²⁺ is required to titrate 28.00 gof plasma, what is the mass percent of alcohol in the blood?

Q: A solution of sodium hydroxide is standardized to a concentration of 0.600 M NaOH. If 20.05 mL of…

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Q: If 35.8 mL of 0.100 M NaOH is needed to fully react with a 100.0 mL sample of oxalic acid (H2C2O4),…

A: Given data : Molarity of NaOH = 0.100 M Volume = 35.8 mL = 0.0358 L Number of moles of…

Q: What mass of precipitate (in g) is formed when 20.5 mL of 0.700 M Zn(NO:)2 reacts with 17.5 mL of…

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Q: total acidity in water samples can be determined by neutralization with standard sodium hydroxide…

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Q: 0.7532 g of copper turnings (molar mass: 63.546 g∙mol–1) are reacted with excess nitric acid.…

A: Disclaimer: In order to obtain copper sulfate the acid used in excess should be sulfuric acid and…

Q: Aqueous barium chloride reacts with aqueous sodium sulfate in a double replacement reaction that…

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Q: According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M…

A: First determine the number of moles of LiOH. Molarity is given by the following expression:…

Q: the following chemical reaction takes place in aqueous solution: What is the net ionic equation for…

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Q: The concentration of a certain sodium hydroxide solution was determined by using the solution to…

A: Given  Mass of KHP = 0.4790 gram  Molar mass of KHP = 204.22 gram/mole  Volume of NaOH solution =…

Q: what quantity in moles of precipitate will be formed when 268.5 mL of 0.200 M NaBr is reacted with…

A: No. Of moles= molarity×volume Here precipitate is PbBr2 because this is in solid phase ( solid phase…

Q: 100.0 mL of an aqueous solution containing 0.250 M KOH(aq) is mixed with 100.0 mL of an aqueous…

A: First of all, we need to write down the balanced chemical.  The molar mass of Fe(OH)3 = 106.87g/mol

Q: What volume of 0.860 M HCl, in milliliters, is required to titrate 2.01 g of Na2CO3 to the…

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Q: If 30.5 g of NaOH is added to 0.550 L of 1.00 M Ni(NO₃)₂, how many grams of Ni(OH)₂ will be formed…

A: Answer: Mass of Ni(OH)2 precipitated =  35.3 g  (rounded off to three significant…

Q: If 31.5 g of NaOH is added to 0.750 L of 1.00 M Cd(NO₃)₂, how many grams of Cd(OH)₂ will be formed…

A: * Answer : 57.65 grams of Cd(OH)2 will be formed in the following reaction. * Solution : Molar mass…

Q: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

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Q: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

A: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

Q: How many mL of a 0.235 M NaOH solution would it take to titrate a 25.00 mL sample of a 0.395 M HI…

A: The neutralization reaction between acid HI and base NaOH is given as,…

Q: what quantity in moles of precipitate will be formed when 82.0 mL of 2.00 M Nal is reacted with…

A: Given that : The volume of NaI = 82.0 mL The molarity of NaI = 2.00 M The volume of Pb(NO3)2 = 100.0…

Q: A 20.0 mLmL sample of an unknown HClO4HClO4 solution requires 45.3 mLmL of 0.105 MM NaOHNaOH for…

A: The chemical reaction taking place is: HClO4(aq) + NaOH(aq) → H2O(l) + NaClO4(aq) The given…

Q: If 19.5 g of NaOH is added to 0.800 L of 1.00 M Zn(NO₃)₂, how many grams of Zn(OH)₂ will be formed…

A: Given, Mass of NaOH = 19.5 g            Molarity of Zn(NO₃)₂ = 1.00 M            Volume of Zn(NO₃)₂…

Q: According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M…

A: Moles of LiOH used =Molarity of LiOH×Volume of LiOH= 0.227 mol/L×175.0×10-3L=0.0397 mol

Q: Concentration of calcium in a sample may be determined by precipitation using the chromate ion,…

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Q: Calcium Chloride (CaCl,) freely dissolves in water by the following equation. 2+ CaCl, (s) → Ca“…

A: We have to find concentration of Cl-

Q: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

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Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 4.30 mL sample. About…

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Q: The shattered glass case at the scene of a jewelry store robbery was determined to be made of potash…

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Q: According to the following reaction, what volume (in mL) of 0.244 M KCI solution is required to…

A: The balance chemical reaction :  2KCl(aq) + Pb(NO3)2(aq) ---> PbCl2(s) + 2KNO3(aq)  Molarity of…

Q: In the following reaction, identify the limiting reactant (note the difference in units: Mg(OH)2…

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Q: How many grams of Cu(OH)2 will precipitate when excess NaOH solution is added to 59.0 mL of 0.615 M…

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Q: Consider the reaction: Ag⁺(aq) + Cl⁻(aq) → AgCl(s) How many grams of NaCl would be needed to…

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Q: The concentration of Sn²+ in a solution is determined by titrating it with a 0.1798 M Ce¹+ solution.…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: A solution containing the water soluble salt of the radioactive element thorium can be titrated with…

A: The above topic concerns the titration of a solution containing thorium (IV) ions with oxalic acid…

Q: Suppose you are titrating a sulfuric acid solution of unknown concentration with a sodium hydroxide…

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Q: ation experiment, a 5.00-mL sample of sulfuric acid, H2SO4, from a car battery is diluted with…

A: In inorganic laboratories, titrations are carried out to calculate the unknown concentrations of the…

Q: According to the following reaction, how many moles of Fe(OH)2 can form from complete reaction of…

A: Molarity of LiOH solution = 0.454 M                                            = 0.454 mol L-1…

Q: In a precipitation reaction between FeCl2(aq) and LiOH(aq), 109ml of 0.18 M FeCl2(aq) completely…

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Q: According to the following reaction, how many grams of Fe(OH)2 can form from 175.0 mL of 0.227 M…

A: The given chemical reaction is,                FeCl2(aq) + 2 NaOH(aq) →  Fe(OH)2(s) + 2 NaCl(aq)…

Q: 5. What is the concentration of NaCl in a solution if titration of 15.00 mL of the solution with…

A: Molarity of a solution is equal to the number of solute present in one litre of solution. Write the…

Q: What is the molarity of a solution of HCl if 5.50 mL of the HCl solution is titrated with 30.6 mL of…

A: Since as per the reaction, the moles of HCl reacting = moles of NaOH taken  because 1 mole of HCl is…

Q: Consider the following precipitation reaction: 2 AgNO3(aq)+ MgCl2(aq) = 2AgCl(s)+ Mg(NO3)2(aq) How…

A: The given reaction is: 2AgNO3aq+MgCl2aq⇌2AgCls+MgNO32aq According to the above chemical reaction, 2…

Q: Solution A is 0.2400 M Ca(NO3)2(aq). Solution A is diluted by a factor of 3 to form Solution B.…

A: The reaction taking place is  3As2O3 + 4NO3- + 7H2O + 4H+ → 6H3AsO4 + 4NO Balancing explanation :…

Q: How many milliliters of 0.239 M AgNO3 solution are needed to react completely with 52.8 mL of 0.391…

A: First we have to write the balance chemical equation,2AgNO3 + CaCl2 → 2AgCl + Ca(NO3)2For AgNO3…

Q: If 28.0 g of NaOH is added to 0.550 L of 1.00 M Ni(NO₃)₂, how many grams of Ni(OH)₂ will be formed…

A: In the reaction ; 2 NaOH(aq) + Ni(NO₃)₂(aq) → Ni(OH)₂ (s) + 2 NaNO₃ (aq) So, we can conclude that 2…