Concentration (mg/dL) Stock Standard (mL) Distilled H2O Total Volume of Dilution (mL) 0 0.0 5.0 5.0 2.5     5.0 5.0     5.0 7.5     5.0 10.0     5.0 12.5     5.0 20.0 5.0 0.0 5.0

Q: serum uric acid concentration is 0.80 mmol/L. express this in mg/dl

A: The answer, 0.8 mmol/L = 13.449 mg/dl.

Q: What is the percent by mass (%m/m) concentration of sodium bromide (NaBr) in a solution prepared by…

A: % m/m is defined as  % m/m = mass of solute X 100 / mass of solution  mass of solution = mass of H2O…

Q: olution concentrations are critical in knowing how much a molecule or substance is contained in a…

A: Concentration in terms of molarity is defined as the number of moles of solute present in one litre…

Q: A student observes crystals at the bottom of a flask that contains a solution of LiBr in water.…

A: Interpretation: We have to check whether crystals will be forming or not when LiBr is taken in…

Q: A student, performing the same experiment as you, recorded the following information. The original…

A: Given data is: Volume of diluted vinegar sample (mL) = 25.00 Molarity of NaOH = 0.0900 Initial buret…

Q: Charysse the Chemist needs to make 500.0 mL of 3.00 M HCIO4 solution. She has 11.7 M (concentrated)…

A: Answer:In dilution process pre-measured quantity of water is gradually added in the stock solution…

Q: Concentrated" barium hydroxide is an aqueous solution that is 50% by mass and used as a reagent. The…

A: The objective of the question is to find the mass of Ba(OH)2 contained in 2 mL of concentrated…

Q: Assume that a water sample tested has 150 mg/L total hardness. The Mg hardness is 50 mg/L,Ca…

A: Total Hardness = Hardness due to Magnesium + Hardness due to Calcium OR Total Hardness = Temporary…

Q: Suppose you performed a similar experiment using an unknown carbonate sample. The pressure and…

A: The answer to the following question is-

Q: A student peeled the skins from grapes, exposing cells with membranes that are only permeable to…

A: A solution that contains higher solute concentration is termed hypertonic. When a system or a cell…

Q: A 134-mg sample of Na2CO3 is dissolved in H2O to give 1.45 L of solution. What is the concentration…

A: we have to calculate the concentration of Na+ in ppm  dioctyl phthalate in ppb

Q: 2. The melting point of the unknown acid in question 1, above, was found to be 179-182°C and the…

A: This can be answered as:

Q: For the following show the calculation for both trails b) Volume of NaOH c) moles NaOH d) moles of…

A: Dear student,  As you have asked multiple subpart questions but according to guidelines we will…

Q: 1 What mass of solid radium sulfate (the most insoluble compound known) will remain when 10 L of a…

A: The answer to the following question is-

Q: A student prepares a 0.28 mM aqueous solution of propionic acid (C₂H₂CO₂H). Calculate the fraction…

A: Propionic acid is a weak acid. It doesn't completely dissociate in an aqueous solution to form…

Q: A 104-mg sample of Na2CO3 is dissolved in H2O to give 2.45 L of solution. What is the concentration…

A:

Q: What is the percent by mass of a solution if 20.0 g of sodium hydroxide is dissolved in 250.0 g of…

A: Given: The mass of sodium hydroxide (solute) is 20.0 g The mass of water (solvent) is 250.0 g

Q: What is the molarity of an aqueous solution that is 5.50% by mass oxalic acid (C₂H₂O) and the…

A:

Q: 1. A gas has a volume of 300 mL at 300 mm Hg. What will its volume be if the pressure is changed to…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: %3D What mass of NaHCO3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/ Liter…

A: Given: The volume of the NaHCO3 solution = 20.0 mL The molarity of the solution = 1.0 M We have to…

Q: pertuint UI (TI/III) CONCentration. Step 5. Put exactly 1 cup (or 237 mL) of distilled water into…

A: In the given question we have to calculate the mass percent of Solution. given data: 1 cup of…

Q: The concentration of Ca2+ in CaCl2 solution is 42 mEq/L. What is a molar concentration (mmol/L, mM)…

A: Given: Concentration of the solution = 42 mEq/L Or concentration of the solution = 42 mN

Q: 3. What is the percentage strength of a reagent solution prepared by dissolving 1.5 oz of silver…

A: The percentage of AgCl = 9.0% (option c).

Q: You want to prepare 450.0 mL of a 145 ppm K+ ion solution.  The density of the solution is 1.01…

A: 1 mg solute per 1 kg of solution is known as 1 ppm.

Q: Choose the substance that is classified correctly? O NaF is a basic salt in aqueous solution O FeBr3…

A: NaF is mixture of strong base and weak acid so resulting nature of salt is basic. In FeBr3 HBr is…

Q: 7.5 g of acetic acid (C2H4O2) are diluted to 150 mL with water. What is the molarity of the acetic…

A: Molarity is defined as  number of moles of solute present in one litre of Solution  M = n/ v (in L)…

Q: 3. Reagent water Concentration of Stock to Prepare Calculate the grams of chemical needed for each…

A: Percent w/v solution is calculated with the following formula . % w/v = g of solute/100 mL of…

Q: 2 1/1 point Barium sulfate is a contrast agent for X-ray scans that are most often associated with…

A: Step 1:

Q: Choose the substance that is classified correctly? O CrCl3 is a basic salt in aqueous solution O…

A: Salt of strong acid strong base is neutral in aqueous solution.  Salt of strong acid weak base is…

Q: Wastewater from a cement factory contains 0.430 g of Ca²+ ion and 0.0890 g of Mg2+ ion per 100.0 L…

A: Given,mass of Ca2+ = 0.430 gmass of Mg2+ = 0.0890 gvolume of solution = 100.0 Ldensity of solution =…

Q: Perform calculations to determine the amount of 5.00x10-5 M stock solution needed to prepare 20.00…

A: The dilution of solutions is an important process in chemistry that involves reducing the…

Q: 63 gallons of a 26% acid solution are mixed with 44 gallons of a 80% acid solution. What is the acid…

A:

Q: A series of dye solutions are made by adding water to the stock Blue I dye solution. Either the…

A: Therefore, the correct arrangement from highest to lowest concentration is as follows-9.0 mL of Dye…

Q: A student prepares a 1.2 mM aqueous solution of benzoic acid (C,H,CO,H). Calculate the fraction of…

A: Given that, The concentration is C = 1.2 mM = 1.2×10-3 M.The dissociation constant of benzoic acid…

Q: 4.16

A: Given data are as follows: weight of solution= 3500 g Volume of water = 2L

Q: From the shape of your graph, do you deduce/conclude that (circle your chole a) the rate constant…

A: According to Arrhenius equation, k = Ae-Ea/RT ln k =ln A -EaRT A plot of ln k versus 1/T gives a…

Q: Part B Follow these steps to complete the table: 1. Reuse the same test tubes from part A, labeled…

A: Here we have to write what happens when iron(2) sulfate and iron(3) nitrate react with potassium…

Q: NaHCO3 (aq) + CH3 COOH (aq) —> CO2 (g) + H2O (l) + CH3 COONa (aq)   Calculate the molar…

A:

Q: A student prepares a 0.29 M aqueous solution of propionic acid (C₂H,CO₂H). Calculate the fraction of…

A:

Q: 14. The concentration of the original unknown protein solution is determined to be 0.2173 mg/mL.…

A: Given, Concentration of the protein solution = 0.2173 mg/mL Concentration of the protein solution =…

Q: What volume of 0.100 M H3PO4 is required to completely neutralize 15.0 mL of 0.200 M NAOH?

A: Density is a measure of mass per volume. The average density of an object equals its total mass…

Q: Calculate the volume in ml of a 6.00 M HCI solution used to make 1250 ml of a 0.270 M solution.…

A: Since the 1250 mL of 0.270 M solution is made up using 6.00 M HCl solution

Q: Procedure A: Molarity (M=g/MM/L) Step 1. Place one-eighth of a teaspoon (this weighs approximately…

A: A saturated solution of NaCl is when we cannot dissolve more NaCl in the solution. In this condition…

Q: The term dextrose continues to be used to refer to glucose solutions administered intravenously for…

A: Mass of dextrose (C6H12O6) = 40 g  Volume of solution = 1 L  Molarity of the solution = ?

Q: Consider a 1.000-L stock solution of 9.69 M Na3PO4. A 2.000-mL aliquot is taken from this stock…

A: Concentration of stock solution = 9.69 M Final volume of the diluted solution = 750mL  Concentration…

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.