List and define the indicators that are used to assess the performance of a specific analytical method under specified conditions.

Q: A student determined the chloride content of a commercial salt by using the Mohr method. A 0.7725 -g…

A: The titration reaction is Ag+ + Cl- = AgCl (s) Volume*Molarity = mmol Percentage of Cl- = [(mass of…

Q: Calculate the concentration of C6H,O6 in an aqueous solution of 4.88x102 M ascorbic acid, H,CgH,O6…

A: If the concentration of the weak acid is C and the dissociation constant of acid is Ka , the…

Q: 25.0 mL aliquots of a 0.106 mol/L Sn2+(aq) solution was used to standardize an acidified potassium…

A: Titrations are carried out in chemical laboratories to discover concentration of unknown solutions…

Q: For the chemical reaction 2 HBr(aq) + Ba(OH),(aq) → 2 H,0(1) + BaBr,(aq) write the net ionic…

A: The representation of a chemical reaction in terms of ions is called ionic equation.

Q: Balance the chemical equation _mg (s) +_ HCI (aq)----->_MgCl2 (aq) + _H2 (g) Identify type of…

A: We have to tell about the type of reaction

Q: Gravimetric Analysis of Calcium Carbonate and Hard Water Introduction In this laboratory activity,…

A: A question based on general chemistry that is to be accomplished.

Q: rite the net ionic equation, including phases, that corresponds to the reaction Pb(CIO,),(aq) +…

A: Given : We have to write the net ionic equation.

Q: 1. How would each of the following procedural errors affect the value obtained for the molar volume…

A: Answer: When a metal reacts with acid, it produces H2 gas and metal salts. For example: Na+HCl= Nacl…

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: Ca2+ in a drinking water sample was analyzed by the following reactions below: Ca2+(aq) +…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: The sample contains CaCl2 and its concentration was 0.03M. Calculate grams of CaCl2 present in 100…

A:

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: The balanced equation of the reaction is-

Q: Flow Chart for the Separation of Salt, Sand, Zinc (& Charcoal) 3. Complete the Flow Chart before you…

A: Here it is given a flow chart for the separation of salt,sand,zinc .Lets see which separation…

Q: 500 mL of a solution containing 55.3 g aqueous sodium phosphate is mixed with a 500mL solution…

A: The objective of this question is to determine the limiting reactant, theoretical yield, and percent…

Q: Suppose a group of students put 2.92 grams of an unknown solid acid into a 250-mL volumetric flask…

A:

Q: A student determined the chloride content of a commercial salt by using the Mohr method. A 0.7725 -g…

A: The no. of moles of silver nitrate can be determined as number of moles=MolarityVolume in L…

Q: Calcium peroxytoctahydrate is synthesized according to the following reaction. During the synthesis…

A: Given data:  The given Chemical reaction is The weight of calcium carbonate taken=3.5 g The…

Q: what is the mole fraction of 4.31 m KBr (aq)?

A:

Q: You wish to determine the density of two unknown, immiscible liquids, A and B, at room temperature.…

A: Density can be calculated by dividing mass by volume of the liquid. Density=Mass of liquidVolume of…

Q: Write a balanced chemical equation describing the mixing of the following 2 reagents in aqueous…

A:

Q: Which of the following separation techniques is ideal to separate a solute from the solvent of a…

A: Extraction is the answer. In the extraction process the desired product is extracted from the…

Q: A chemist was employed to analyse a particular lawn fertiliser, and dissolved 15.0g of the sample in…

A: the solution is as follows:

Q: ▾ Part A A 0.5880 g sample of impure magnesium hydroxide is dissolved in 102.0 mL of 0.2044 M HCl…

A: Molarity of HCl = 0.2044 mol/LMolarity of NaOH = 0.1039 mol/LMass of impure sample = 0.5880 gmolar…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A:

Q: When a Vitamin C (ascorbic acid; MM = 176.12 g mol-1) tablet is crushed, dissolved and titrated with…

A: The number of moles of I2 is used to get the endpoint of the titration is determined as follows.…

Q: M(s) + 2HCl(aq) -> H2(g) + MCl2(aq) Explain which reactant was limiting and why that particular…

A: LIMITING REACTANT Limiting reactant tells about the amount of product that is formed. It tells about…

Q: the concentration of nitrate ions in the solution at the completion of the reaction.

A:

Q: Most analytical machines used in science can either measure absorbance of light, like the…

A: Concentration of unknown solution can be determined from the graph of concentration vs. Absorbance.

Q: The total cation content of natural water is often determined by exchanging the cations for hydrogen…

A: The objective of the question is to calculate-a) The number of millimoles of cation present in…

Q: A student performed a titration to determine the exact concentration of NaOH(aq). The titration was…

A: We have to find the Q value for the last data point i.e. 43.83 considering it as an outlier.To find…

Q: Write the balanced NET ionic equation for the reaction when aqueous MgSO4 and aqueous Ba(NO3)2 are…

A:

Q: student creates a calibration plot for serial dilutions of Cu(NO3)2. A graph of concentration in M…

A: Introduction :  Percent error is an expression to let know the difference between calculated value…

Q: A biochemist carefully measures the molarity of calcium carbonate in 62. mL of photobacterium cell…

A: Given: The initial molarity of calcium carbonate is 67.0 μM. The initial volume is 62.0 mL. The…

Q: lim (sin x · In x) = x→0+ IT 2 8.

A:

Q: Identify and explain the mistakes made in the following laboratory protocols:  A 1250 mg sample of…

A: Before measuring the mass of any chemical compound, it is quite necessary to adjust the balance to…