Determine the moles of NaOH used for each substance for each trial

Q: What is the effect of adding salt to the ice cubes? Select the correct response: It decreases the…

A: The melting point of a substance is the temperature at which it changes state from solid to liquid.

Q: In the reaction: x Al (s) +y FeCI, (aq) z AICI3 (aq) + v Fe (s), the coefficients x, y, z and v,…

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Q: How many equivalents is 0.355 moles carbonic acid?

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Q: Bayer Extra Strength aspirin tablets each contain 500 milligrams of acetylsalicylic acid. How many…

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Q: Which of the following is always correct in considering the percentage yield of a reaction?…

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Q: ▼ Heliox, a breathing gas that is 79 percent He and 21 percent O₂ for patients who have difficulty…

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Q: Excess aluminum nitrate is mixed with 587.8 mL of sodium sulfate at a concentration of 0.308 mol/L.…

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Q: In your experiment, you will weigh out between 0.25 g and 0.50 g of sodium hydrogen carbonate. If…

A: The sodium hydrogen carbonate reacts with HCl as follows: The stoichiometry of the balanced…

Q: A solution containing 4.079 moles of sodium hydroxide mixed in 46 L. Calculate the pOH Type your…

A: Moles of NaOH  = 4.079 molesVolume of solution = 46 L

Q: Be sure to answer all parts. Ethanol (C₂H6O), a gasoline additive, is formed by the reaction of…

A: The given thermochemical reaction is   C2H4    + H2O             C2H5OH (C2H6O)  1.0 mol    1.0 mol…

Q: A student combines 2.025 g of aspirin with excess acetic anhydride.  The theoretical yield of…

A: The mass of salicylic acid = 2.025 g Molar mass of salicylic acid = 138.121 g/mol Molar mass of…

Q: SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not…

A: To solve this problem we will use the law of dilution .  Here, we will use the formula  M1V1 = M2V2…

Q: Complete the   reaction .

A: In the Clemmensen reduction, Zn(Hg), HCl is used as reagent, ketone and aldehyde group change to…

Q: Using the chart write the chemical Equation that predicts the products that form when combining…

A: The reactants given are MgSO4 and CaCl2.

Q: An individual combined 1.397 g 4-aminophenol with 2.9 mL acetic anhydride.  A mass of 1.302 g pure…

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Q: CONCENTRATION PRACTICE PROBLEMS 1. One can of Coke holds 355 mL of soda and contains 34 mg of…

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Q: How many moles of NaOH are needed to neutralize 15.0 mL of 0.235 M HCI solution? 4 O 2.35 x 101…

A: Aqueous hydrochloric acid reacts with solid sodium hydroxide to form aqueous sodium chloride and…

Q: QUESTION 7 Solid Sodium Chloride is usualy separated out of a mixture by: O Dissolving it in water…

A: ANSWER : Option (a) Solid sodium chloride is usually separated out of a mixture by "Dissolving it in…

Q: Based on the concentration of Citric acid you calculate for 10 mL, is it safe to drink a 7-Up can…

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Q: les of LIOH Would be required to completely neutralize 6.0 H2CO3 + 2LIOH 2H20 + LizCO3

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Q: Name of chemical Molecular weight Amount used Number of millimoles Ethyl acetoacetate 130.14 g/mol…

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Q: How do I calculate the average value from my value and the two other students value ? my value is…

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Q: 1) How many moles of water are in two moles of magnesium sulfate heptahydrate?

A: Since you have asked question #1, we will solve the same for you. If you want any specific question…

Q: Consider the following fictional reaction: 2AB(aq) = 2A(aq) + B2(aq) AH = -25 kcal/mol What happens…

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Q: What is the volume in liters that is needed to create a 2.3 M solution with 2.5 moles of Fe(OH)2?…

A: Given data molarity of solution = 2.3 M mole of solute , Fe(OH)2  =  2.5 mole

Q: If one gram of sodium bicarbonate reacts with excess vinegar solution that is 5% acetic acid, how…

A: The given reaction is, NaHCO3+ CH3COOH →CO2 + H2O+NaCH3COO Given that: Mass of sodium bicarbonate…

Q: How many grams are found in 1mL of 10 nM solution that has a molecular weight of 50

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Q: how many kilojoules are absorbed when 116 g of Hg are produced?

A: The heat absorbed when 116g of Hg are produced

Q: lettered answer completion that each case. write your answer efore each numb 81. In the preparation…

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Q: Q: Iron rich groundwater contains 0.59 mg/L of iron carbonate in solution. If the coagulating agent…

A: 0.59 mg/L of Iron Carbonate will be removed.

Q: Using the data : Mass of weighing bottle +sulphamic acid = 3.38 g Mass of weighing bottle empty=…

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Q: How much heat is absorbed by liquid water that weighs 270 grams as it is heated from 35˚C to 105˚C?…

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Q: 11. Calcium Carbonate (CaCO, Molar mass = 100.09 g/mole) is an antacid used to neutralize extra acid…

A: Given,  Molar mass of CaCO3 = 100.09 g/mole  Mass of tablet = 250 mg  How many moles of CaCO3 will…

Q: is desired to separate silver in a solution that is 0.0613 M 0.0955 Ag', and 0.500 by…

A: Applying the Nernst equation, the cell potential at 298 K (25 °C) is, Ecell = E0cell -0.0592VnlogQ

Q: what is the mmol of vanillin acetate used?  Used: 0.50 g molecular weight: 194.18 g/mol

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Q: For the following reaction, 6.99 grams of potassium hydroxide are mixed with excess phosphoric acid.…

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Q: Using the Haber-Bosch process:       H2 + N2 → NH3 what is the excess and limiting reactant? what…

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Q: 44. What is the final M of a solution prepared by diluting 20.0 mL of 4.0 M NaOH to 10.0 L? (2 sig…

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Q: How many grams of ammonia are contained in 75 ml of solution that is 22% by weight NH3 and has…

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Q: 1. Why is oxygen NOT a greenhouse gas?

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Q: Convert the concentration of ephedrine sulfate of 1 gram per 125 mL to mg per ml Do not forget the…

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Q: Calculate the volume in liters of 40 moles of toluene. 0.87g/ml densi

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for