An analyst weighed 0.5002 g of Apple Leaves Standard Reference Material (SRM#1515) to determine cadmium levels. The digestate was completed to the 25.0358 mL mark with distilled water. to. a. 1Indicate the Cd concentration as it appears on the Certificate of Analysis for this control. b. If the analyst recovered 92.6%, calculate the concentration (in ppb) of Cd in the solution.

Q: 3. A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard method. After adding 50.00 mL of…

A: Given , mass of impure Na2CO3=0.1093 gVolume of AgNO3= 50.00 mLConcentration of AgNO3=0.06911…

Q: 0.683 grams of iron mineral dissolves with acid. Fe2+ ​​is titrated with Ce(SO4)2 solution.…

A: Answer is explained below.

Q: A)1.00 L solution containing 108.65 g of ammonium arsenide was mixed with 0.38 L of 2.5 molar…

A:

Q: A 0.1285-g sample of impure Na2CO3 was dissolved in 20.00 mL of 0.2034 M HCl. The excess HCl was…

A: We will first find out the actual mass of Na2CO3 present in the sample by calculating the moles of…

Q: The KCIO3 in a 0.1862-g sample of an explosive was determined by reaction with 50.00 mL of 0.01162 M…

A:

Q: A 0.973-g sample of canned tuna was analyzed by the Kjeldahl method. A volume of 21.15 mL of 0.1174…

A: 1. Moles of HCl required to titrate the liberated ammonia   =Volume of HCl consumed (in L)×Molar…

Q: Calculate the copper concentration (a) in the diluted sample solution expressed in ppm Cu, and (b)…

A: Here standard addition technique is used to standardize the copper sample in which to a fixed volume…

Q: 3. The ethyl acetate concentration in an alcoholic solution was determined by diluting a 10.00-mL…

A:

Q: Standard Sodium Chloride Weighed mass of NaCl Purity of NaCl Molar concentration of NaCl using…

A: Molar concentration of NaCl :M = ​(m × p)/ ( V × Mw )​ where M is molarity, m is mass, p is purity,…

Q: 1. Calculate the volume of 3.0 M H2SO4 required to neutralize the total 3 ml of 4 % borax (by mass)…

A: 1.

Q: Calutate the concentrationof patassium fon in yrams per litter after HiXing (lomb)of to-25OM) ket…

A:

Q: 2. The arsenic in a 1.203-g sample of a pesticide was converted to H3ASO4 by suitable treatment. The…

A: Given that,Weight of pesticide = 1.203gVolume of  = 40 mLMolarity of = 0.05871 MVolume of  = 9.63…

Q: The arsenic in a 1.010 g sample of pesticide was converted to H3ASO4 by appropriate means. The acid…

A: Molarity is defined as moles of solute upon the volume in litre

Q: Part B: Sulfate. A 1.109 g sample of a material known to contain sulfate is dissolved and the…

A:

Q: in an experiment, 4.0 g of an impure nacl salt sample is dissolved in water and treated with excess…

A: gravimetry is a process in which analyte is converted to insoluble salt so that it  get precipitated…

Q: Reaction Add 1 drop of … Add 1 drop of… Did a precipitate form?   1 Fe(NO3)3       NaOH…

A: When NaOH react with different compound it gives different precipitate.

Q: A student created a solution in a 100 mL volumetric flask by adding 3.753 g KNO3 and 25.77 mL 0.358…

A:

Q: 100.0 mL of a 0.245 M solution of HCl was added to 50.0 mL of 0.365 M Ba(OH)2. Answer the following.…

A: Given that: volume of HCl = 100.0 mL = 0.10 L molarity of HCl = 0.245 M  volume of Ba(OH)2 = 50.0…

Q: If the standard reduction potential for Copper is 0.34V, calculate the reduction potential for…

A: Redox reaction are those in which both oxidation and reduction reaction occurs simultaneously.

Q: on, and then titrated with pre. n't need to know the formula

A: Calculation of mass percentage of iron. Mass of iron = 55.845g/mol.

Q: 100.0 ml of a 0.245 M solution of HCl was added to 50.0 ml of 0.365 M Ba(OH)2.    a. Identify the…

A: Given that: volume of HCl = 100.0 mL = 0.10 L molarity of HCl = 0.245 M  volume of Ba(OH)2 = 50.0…

Q: The concentration of KClO3 in the explosive sample can be determined by reaction with Fe(II): ClO3-…

A: The chemical reaction between KClO3 and Fe2+ is represented as follows:…

Q: Part 2: Find the concentration of tin(II) chloride. A sample of pure tin metal is dissolved in…

A: The question is based on the concept of molarity.  molarity is a method of expressing concentration…

Q: .A sample of alfalfa meal weighing 2.0 g is analyzed by Kjeldahl method for the percentage of…

A:

Q: 12. A 0.3284-g sample of brass (containing lead, zinc, copper, and tin) was dissolved in nitric…

A: First of all, the titration reaction with EDTA forms complexes that have 1:1 ratios of EDTA:Analyte.…

Q: The standardization of a KSCN solution against 0.3341 g of primary standard grade AgNO3 (M.M.…

A: standardization of KSCN  by AgNO3 an aliqout of the sample of KSCN is taken and titrated against…