When you calculate the percentage composition of the product mixture, exactly what kind of “percentage” (i.e., volume percent, weight percent, mole percent) are you dealing with?

Q: Explain why the following relationship below is correct.  Do not simply show that the units are…

A: Since the concentration of  [S2O3]2- remains constant throughout the reaction, therefore it had been…

Q: 3. (a) A 25 g organic Substance was purified using recrystallizabon. Amount recovered after…

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Q: Ingredient 2 kgs calcium oxide and 1.75 160mg per 10mL Calcium 1.75kgs carbonate calcium Sus kg H2O…

A: the CaCO3 is formed by the following reactions-CaO+H2O→CaOH2CaOH2+CO2→CaCO3+H2Othe given moles of…

Q: Complete the stoichiometry table using the starting values provided. density (g/mL) molecular vol.…

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Q: 5. Moles of KHP (MM of KHP = 204.2 g/mol) (Show one set-up) 4.6531mol 0.949- 20니 ·2 E4.6474O4505 X10…

A: 5. Molecular weight of KHP = 204.22 g/mol Moles of KHP = Mass/Molar mass   TRIAL 1 TRIAL 2…

Q: please help- so which one is better part b has a percent yield of 76.8 percent and its melting point…

A: The melting point of mixture decreases with increase in impurities in lattice of solid. So, more is…

Q: How to use mass percent composition as a conversionfactor ?

A: The mass percentage determines the composition of the compound that is present in the substance.…

Q: Calculate the theoretical yield of ethyl acetate in grams based on this answer:   assuming 30 mL…

A: By writing balanced chemical reaction we can find theoretical yield of ethyl acetate.

Q: If the percent yeild is larger than 100%, what is a possible impurity in the final product? How does…

A: If the percent yield is larger than 100%, what is a possible impurity in the final product and How…

Q: product. In a good flowchart, you should indicate the key steps, volumes/masses added, name, formula…

A: Introduction :  A Grignard reagent is an organometallic reagent (RMgBr) that reacts with many…

Q: Use the Mol S₂032 consumed and Mol la produced from the table above for the calculations in Table 2…

A: To determine the initial concentration of thiosulfate ion, I3- produced, persulfate ion, I- at the…

Q: (1) Mass of KHP (g) 0.6364 g (2) Moles of KHP Convert to moles (M.W. 204.22 g/mole) (3) Initial…

A: Given that, the mass of potassium hydrogen phthalate (KHP) = 0.6364 g and the molecular weight of…

Q: 3. While determining the volume during this experiment (Part II), if the total volume of the flask…

A: If the volume of the flask was 125 ml instead of the measured volume, the calculated molar mass of…

Q: Please kindly help me to answer these questions, Thank you very much! Sulfuric acid is also known…

A: Solution -

Q: A 25.00mL KCl solution with a mass of 27.913g was heated and the remaining residue has a mass of…

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Q: please answer number 5 in bold :)   3. In an experiment like the one you performed in lab, a…

A: Upon heating the hydrated salt becomes dehydrated .

Q: 1) O3 Ph 2) Zn, H20 3) NaOH, H2O heat (dehydration) 1) (excess) KMNO4, CH3 NaOH, H2O, heat 9. 2)…

A: Ozonolysis of olefins produce the carbonyl compounds. This carbobyl compound undergoes aldol…

Q: Thanks in advanced, these are just 4 step problems but this one has me stumped for some reason. Use…

A: First, the balanced equation for reaction between zinc metal and hydrochloric acid is determined as…

Q: Consider the following scenario: After the first compound elutes off of the column, you collect…

A: We should follow these steps to avoid contamination. A. As we don't know how many…

Q: In volumetric analysis, the mass is measured to calculate the concentration of the analyte Select…

A: In volumetric analysis, volume of a solution is measured to calculate the concentration of analyte.

Q: Post-lab Question #2: Suppose throughout the experiment, your thermometer consistently read a…

A: Molar mass of a substance is determined using the molality of a substance- where ∆Tf is the change…

Q: Using the data found in question number 3, determine the empirical formula for the hydrated CuSO4…

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Q: 3. The data in Table 3 below shows the percent extraction of HNO3 solutions by the Zano method. Plot…

A: A question based on graph, which is to be accomplished.

Q: The weight of saturated NaCl was obtained by weighing the collected solid. Was this an accurate…

A: Mass percent is the mass of solute added in 100g of solution. mass percent = mass of solute mass of…

Q: Please ignore my work! Find the molarity of the acetic acid in each trial and find the mass percent…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: Final volume ( 18.66 37.42 55.98 Volume of NaOH added ) 18.66 18.66 18.66 scussion/Analysis: Answer…

A: Average can be expressed as the sum of each measurement values divided by the number of…

Q: Calculate the equivalent weight of NaAlO2 . Also please explain how you calculated the n factor ie…

A: For a salt in non reacting condition n factor is total positive charge present on cations in a…

Q: Find the theoretical yield and percent yield of Isopentyl Acetate (banana oil) 3.38g acetic acid…

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Q: 2Na + ZnCl2 ---> 2NaCl + Zn What mass of Sodium Chloride would be produced if 50.0mL of 2.00mol/L…

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Q: I need help finding the therotical yield and the percent yield by finding the limiting reagent based…

A: Density of benzaldehyde: 1.04 g/mL. 20% NaOH solution indicates 20 g of NaOH present in 100 mL of…

Q: how to get moles with only using the information below. Molecular Mass (g) Moles Molar Density…

A: We have three compounds whose moles we have to find out from the given information. We will make use…

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

A: Given,                       H2  +  N2                 NH3  The balanced chemical reaction of…

Q: Would it affect your calculation of theoretical yield? Could it affect your measurement of actual…

A: In this experiment the determination of theoretical and actual yield of compound is based on the…

Q: in acid base extraction if you start with 1.25 g of mixture and recover 0.45 g of organic acid,…

A: Given: The mass of the initial mixture, (M) = 1.25 g. The mass of the recovered organic acid, (m1) =…

Q: Using Kay's method, what is the number of moles of this mixture in the tank?

A: As per Kay's  method ; the no. of moles of a mixture in tank is 2.27 Kmoles ( option A is correct )

Q: One mole of a compound weighs 2.93x10-22. Determine the molar mass (g/mol). Group of answer choices…

A: NOTE : In questions, there is a small typo error. It will be mass of 1 molecule of compound and not…

Q: Based on the chart, solve the following questions with full solution: Percentage composition of…

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Q: 1. Calculate the percent yield of X when solvent D is used. Answer in 4 significant figures with…

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Q: Part C: Determine percent Oxalic Acid in Unknown Sample Molar mass of oxalic acid 90.03 g/mol Trial…

A: The average value of the parameters is furnished as the sum of the values divided by the total…

Q: lassify and Balance: C8H18 (g) + O2(g) --> C02 (g) + H2O (g) our answer D This is a required…

A: Classifying the given reaction as follows.

Q: 9. One source of error in this lab is the use of the ideal number 2 for i. The actual number is…

A: The solution is given below -

Q: if the volume percentage is 40 and density is 0.8095^20 and molar mass is 60.095. How do I find the…

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Q: Complete the stoichiometry table using the starting values provided. molecular reagent density vol.…

A: The given table is of the reaction between salicylic acid and acetic anhydride which produces…

Q: Q1/A) A mixture 300 kmole has the following composition by mole :- (C.H10 20% , CsH12 30%, CH14 20%,…

A: Total moles of gaseous mixture = 300 kmole…

Q: Balloon Volume of 1M Mass of lacetic acid colour NaHCOз (9) CH3COOH (mL) Pink 25.0 |4.20 Which…

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Q: A 30-gram soil sample was leached with excess 1N solution of ammonium acetate and was later found…

A: Mass of cation NH4+ that 30 g soil can hold = 0.096 g  To change this mass in milligrams we need to…

Q: Why it's impossible to get a hundred percent yield from the original sample?

A: Here we are asked reason responsible for not getting hundred percent yield from the original sample.

Q: Use the the mol-mol coefficient factor (i.e. mol A/mol B) to determine the grams of CO2 produced…

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Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.