A commercial mouthwash contains 5.5 g of ethanol and 0.028 g of antiseptic in each 50ml portion. Calculate the weight/volume percent concentration of antiseptic.

Q: prepare 300 mL of 0.5 M MgSO4 from a stock solution of 2.0 M of MgSO4?

A: Given: C1=Concentration of stock solution=2.0 MC2=Final Concentration =0.5 MV2=Final volume=300 mL…

Q: I need the answer as soon as possible

A:

Q: When using a 50 mL volumetric flask, approximately what volume of solution should be used for each…

A: It is asked about the volume of solution used in volumetric flask to rinse .

Q: How would you make 250ml 56% NaCl solution? O 112.5g NACI O 82.4g NaCI 33.5g NaCl 140g NaCI

A: It is given that 250 mL of 56% solution of NaCl needs to form and the mass of NaCl required needs to…

Q: How many mL of H20 (solvent) must be added to a 25.0 mL of NaCl (solute) to prepare a 15% (v/v) NaCl…

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

Q: Prepare 150 mL of a 3% agarose gel solution. Specify the following quantities necessary for this…

A: Formation of Agarose gel is a technique used to separate various macromolecules.

Q: How many milliliters of a 0.1% (w/v) thimerosal topical solution should be used to prepare one-half…

A: Concentration is defined as amount of solute present per unit amount of solvent or solution.…

Q: PPb contains 1 part of solution per 10° parts of solvent. True False

A: Answer  PPb contains 1 part of solution per 109 parts of solvent  We know…

Q: How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution? A) 31.3g B) 15.6g…

A:

Q: 10.00 mL of 1.10 M  HCl  diluted to 0.450 L

A:

Q: The phenol concentration in a water solution is 20 ppm and the density of this solution is 1.1…

A: In this question density does not have any use because it is given to determine the ppm in term of…

Q: What weight (in grams) of caffeine (C8H10O2N4) is required to prepare 100 mL each of the following…

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant…

A: Solution: By defination, molarity is nothing but the ratio of moles of solute in given liter of the…

Q: 10. Normal Saline: Purified Water:

A: Normal Saline is what we call isotonic meaning it has the same concentration of sodium and other…

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 6.04 micromolar…

A: Consider the given information is as follows; Concentration of stock solution M1=15.1 μM Volume of…

Q: Calculate the concentration of a soluation when a 15 mL sample of 6 M acetic acid solution is…

A: Given:-               To Calculate the concentration of a solution when a 15 mL sample of 6 M acetic…

Q: What is the importance of hydration to wound dressing hydrogel?

A: Introduction :  Hydrogel is a network of polymer chains that are hydrophillic , they are highly…

Q: Calculate the grams of CuSO4 in 35 mL of 0.40 M CuSO4 stock solution

A:

Q: You need to make a 1:5 dilution of a solution. You need 25 ml of the diluted solution. How much…

A: Given:dilution ratio= 1:5volume of diluted  solution = 25ml

Q: How much salt is needed to produce a 0.9% salt solution with 3.0 kg of water? 90 grams 54 grams 27…

A:

Q: An 80-proff brandy is a 40.0% (v/v) ethanol solution. The "proof" is twice the percent concentration…

A: Given:Volume of brandy =750mLPercentage of ethanol solution = 40.0% (v/v)The volume of ethanol in…

Q: What mass of solvent will it take to make 260 g of a 7.5% w / w solution

A: Given :-  mass of solution = 260 g  % w/w = 7.5 %   To calculate :-  mass of solvent

Q: Chloraseptic sore throat spray contains 0.35 g of the antiseptic phenol dissolved in 25 mL of…

A: weight/volume percent is given by (w/v)%= mass/volume x 100%

Q: Example 8: Calculate the weight percentage of solution prepare by mixing 5.0g AGNO3 with 100 mL…

A:

Q: How much of the preservative is needed to prepare a 120-mL preparation of Aluminum hydroxide gel…

A:

Q: How much Ethylene Glycol (C2H602) in grams is dissolved to create 251 mL of a 3.50 M solution?

A:

Q: How much of copper sulphate pentahydrate we need to prepare 0,5L 0,1 M solution?

A: Given, Molarity of the solution = 0.1 M = 0.1 mol/L Volume of the solution = 0.5 L mass (in grams)…

Q: How do I calculate the mass (g) of solid needed to prepare 250.00mL of 550. ppm stock solution?…

A:

Q: How many grams of bromo-3-methypentane are there in 0.250 litre of a 30.0 mM solution? Show your…

A:

Q: • Measure out a small volume of concentrated (8.0M) stock nitric acid solution and add it to the…

A:

Q: How much stock solution AND water is needed to dilute a 2.5M solution onto a 350mL 0.75M solution?

A:

Q: 1. Calculate the percentage concentration of 10 mL ethanol in 50 mL water solvent.

A: Given, Volume of ethanol = 10 mL Volume of water solvent = 50 mL Percentage concentration can be…

Q: How many grams of NaNO3 are needed to prepare a 75.00 mL solution that is 6.5% (m/v)?   6.5 grams…

A:

Q: 4. What is the significance of the emulsification? 5. What is the difference between detergent and…

A:

Q: explain how you would prepare 500ml of a 40.0% v/v alchohol solution

A: %V/V = Volume of solutevolume of solution ×100 Hence for 40% V/V solution,  40  =Volume of solute…

Q: What volume of 5.00 M NaOH stock solution is needed to prepare 100.0 mL of 0.250 M NaOH solution?…

A: Since the moles of NaOH in final solution should be same as the moles of NaOH we are taking Hence…

Q: A commercial mouthwash contains 4.3 g of ethanol and 0.021 g of antiseptic in each 30.-mL portion.…

A: Solution-    weight /volume percent concentration (w/v)=molar rmass solute in gr.volumer of solution…

Q: How would you make a 1 mL 0.8% Tween-20 solution in PBS from a 10% stock solution?

A: Tween-20 is polysorbate 20 with molecular formula C58H114O26 Its molecular weight is 1226g/mol…

Q: Aromatic Water Poppermint water (Simple solution method) Formula Poppermint ol, Purifled water, To…

A: Answer - peppermint water - Procedure - (1) forming a carrier solution after mixing proper amount of…

Q: Osmolarity and Tonicity ECP IOF Try again - 300 mosmel 00 moema NP IL IV of 1L containing 600 mosmol…

A: Given: IV of 1 L containing 600 mosmol NaCl + 150 mosmol urea .   Adding NaCl to total body weight.…

Q: A student is about to dissolve 1.1 g of compound Z in solvent Y. Is 100 mL of solvent Y already…

A: Solubility of Z = 3.44 g/L So, 1 L Y : 3.44 g Z

Q: How many liters of a 0.88 M solution can be made with 25.5 grams of lithium fluoride?    How many…

A:

Q: What is the melting point of a solution that is formed when 620 g of ethylene glycol (C2H6O2) is…

A:

Q: How much water would you add to 70. mL of this stock solution to make 1.5% (m/v) dextrose?Tabulate…

A: The percent weight of the solution (%w/v) is calculated as follows: Percent of grams (mass) of…

Q: How many ml of ethenol should be mixed with 225 ml of water to make 4.5% (v/v) mixture

A: Suppose Volume of ethanol is =y ml Volume percent v/v % = [(volume of solute)/(volume of solution)]…

Q: How many milliliters of a solute should be used to prepare 1 pint of a 15% (v/v) lotion?

A:

Q: A student extracted 2.3521g of lycopene from tomato paste. The solid was placed it into a 20 ml…

A: To calculate the concentration of the dilute solution.

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.