If the mass of the original sample of alloy was 0.7459 ± 0.0005 g and the mass of precipitated CuSCN was 0.2275 ± 0.0005 g and the volumetric flasks used had a 0.05% error, what is the error in the calculated percentage mass of Cu in the alloy? Assume no error in the molecular masses. Provide your answer as an absolute error

Q: 2.00 g of limestone was dissolved in hydrochloric acid and all the calcium present in the sample was…

A: Given: The mass of limestone is 2.00 g. The weight of the precipitate is 2.43 g. To find: Percentage…

Q: A 0.9178 g mixture of calcium bromide and sodium bromide was treated with silver nitrate to form…

A: The objective of this question is to determine the starting percent by mass of sodium bromide in the…

Q: A stock solution of potassium permanganate (KMNO4) was prepared by dissolving 10.0 g KMNO4 with DI…

A: To solve this problem we will first calculate the number of moles of KMnO4   Then Molarity will be…

Q: A powder contains FeSO4 ·7H2O (molar mass = = 278.01 g/mol), among other components. A 2.825 g…

A: To find the mass of FeSO₄·7H₂O in the 2.825 g sample, we need to follow these steps: 1. Calculate…

Q: If 74.4 mL of silver nitrate solution rea of precipitate, what is the molarity of s

A: The reaction that occurs between the KCl and , AgNO3 is .,   AgNO3(aq) + KCl(aq) --> AgCl(s) +…

Q: The exact concentration of a Na2S2O3 standard solution was determined by using KIO3 stock solution.…

A: Mass of KIO3 = 0.2189 g Molar Mass of KIO3 = 214.00 g/mol Volume of KIO3 solution prepared = 200 cm3…

Q: What is the molarity of C6H12O6 in an aqueous solution that is prepared by dissolving a 25.91 g…

A: First, we need to calculate the mass of pure C6H12O6 in the sample. Since the sample is 81.0%…

Q: To a crucible and cover weighing 33.392 g is added a sample of a copper (II) chloride hydrate (CuCl2…

A: Given data, Mass of crucible + cover = 33.392g Mass of crucible + cover + sample = 34.405g Mass of…

Q: A sample of 5.11 g5.11 g of solid calcium hydroxide is added to 32.0 mL32.0 mL of 0.500 M0.500 M…

A: HCl        +        Ca(OH)2      →        CaCl2              +          H2O    on reactant side…

Q: The concentration of a NaOH solution was determined in a single experiment by titrating a weighed…

A: Weight KHP + container (final) = 10.8364±0.0001 g Weight KHP + container (initial) = 11.6723 ±0.0001…

Q: Molarity is a concentration term that relates moles of solute and total volume. We use the symbol M…

A: Molarity is simply calculated using the formula Molarity (M) = (Number of mole of solute) /…

Q: A mixture consisting of only sodium chloride (NaCl) and potassium chloride (KCl) weighs 1.0000 g.…

A: When in a mixture two soluble salts are mixed with a precipitating agent, the initial salts get…

Q: What is the molarity of C5H1005 in an aqueous solution that is prepared by dissolving a 24.37 g…

A: The objective of this question is to calculate the molarity of C5H10O5 in an aqueous solution.…

Q: Part B 29.53 g C6H12O6 in 1.13 L of solution Express the molarity in moles per liter to three…

A: Part B -  Given that - mass of C6H12O6 = 29.53 g  Volume of the solution = 1.13 L = 1130 mL  Molar…

Q: It is desired to prepare exactly 100. mL of sodium chloride solution. If 2.71 g NaCl is weighed out,…

A:

Q: The mass 0.500 g of an organic insecticide containing chlorine was combusted in oxygen whereby the…

A: Mass fraction is defined as the ratio of mass of a solute to the mass of the solution.

Q: 5. Using YOUR data for this experiment calculate your answers and fill in the following table. (Show…

A: Average mass- It is the sum of the masses of all the samples divided by the total number of samples.…

Q: Can you explain the concept behind the problem? Can you explain where the numbers came from? And if…

A: Percent mass (% w/w) = (mass of solute/mass of solution) × 100

Q: A 800.0 mL aqueous solution of 93.0 mM CoCl2 is combined with 399.0 mL of aqueous 54.0 mM K3PO4. If…

A: Given, Note: 1 mM = 0.001 M Molarity of CoCl2 solution = 93.0 mM = 93.0 × 0.001 M = 0.093 M = 0.093…

Q: After titration, 25 mL of a vinegar solution was found to contain .03 moles of acetic acid. Using a…

A: Volume = 25 ml Moles of acetic acid = 0.03 M

Q: 2. The solubility of KCIO, at several temperatures is shown in the accompanying diagram. Solubility,…

A: Given,a student mixes 10.0 g of KClO3 with 45.0 g H2O at 70 oC. The final solution is:

Q: A solution is prepared by pipetting 25.00 mL of 3.0 x 10-4 M CaCl2 into a 750.00 mL volumetric flask…

A:

Q: 100.0 mL of 1.20 M AgNO3 solution is mixed with 100.0 mL of 0.500 M CaCl2 solution. How many grams…

A: Given data: The volume of AgNO3=100.0 mL=0.1 L. The molarity of AgNO3=1.20 M=1.20 mol/L. The volume…

Q: The molar mass of potassium hydrogen phthalate (KHC8H4O4, abbreviation KHP) is 204.22 grams per…

A: Given data,Mass of KHP=1.32gMolar mass of KHP=204.22g/molVolume of NaOH=15.06mL=0.01506L

Q: If 100.0 mL of potassium dichromate solution (10.0 g of K2Cr207 per liter) was mixed with 75.0 mL of…

A:

Q: You need to prepare a solution of 0.123M CuSO4 by starting with solid CuSO4·5H2O. You would be able…

A: To prepare a certain concentrated solution from the solid substance, we must decide the amount of…

Q: In one gravimetric analysis, the iron (Fe) in a 1.6374 g of impure iron compound was dissolved with…

A:

Q: A 0.8571 g sample of iron ore is dissolved in acid, the iron is oxidized to the +3 state and then…

A: The mass of the iron ore sample is = 0.8571 g The mass of iron(III) oxide is = 0.1132 g The molar…

Q: Which solid precipitate(s) may be produced when the following four aqueo solutions are mixed…

A:

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.