Chloraseptic sore throat spray contains 0.35 g of the antiseptic phenol dissolved in 25 mL of solution. What is the weight/volume percent concentration of phenol?

Q: Percent weight in volume is the number of grams of a constituent in 100 mL of solution/

A: Ans-true

Q: 1. How much 6M NaOH is required to make 500 mL of 0.1 M NaOH? How much DI water is required?

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Q: Draw 4 salt compounds dissolve in 4 molecules of water

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Q: How many milliliters of 0.20 MHCI are needed to completely neutralize 65 mL of 0.20 M NaOH solution?…

A: Using the formula Milliequivalent of acid = milliequivalent of base Macid Vacid = Mbase Vbase 0.20…

Q: When diluting the commercial vinegar, what would have been the effect on acetic acid molarity of…

A: Given Hint: Think about how the concentration of the commercial vinegar is affected by the water in…

Q: What volume (in mL) of concentrated hydrochloric acid is necessary to prepare 6 mL of 50% (v/v)…

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Q: Concentrated sulfuric acid contains 96% (w / w) sulfuric acid. The molecular weight of sulfuric acid…

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Q: What volume of a 200 mcg/5 mL solution is required to administer a dose of 1 mg

A: The objective of this question is to determine the volume of a solution needed to administer a…

Q: is HgSO4 Soluable in water?

A: No, HgSO4 that is mercuric sulphate is NOT SOLUBLE in water. It is because when it is added in…

Q: How many milliliters of 0.20 M HCI are needed to completely neutralize 65 mL of 0.20 M NaOH…

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Q: how to prepare a 50 mL of approximately 0.20 M NaOH using solid NaOH

A: Given :-  Molar concentration of NaOH solution = 0.20 M  Volume of solution = 50 mL  To discuss :-…

Q: You need to make a large quantity of a 5% solution ofHCl but have only 25 mL HCl. What volume of…

A: The solution is a mixture in which the lowest amount (solute) is dissolved or distributed in a high…

Q: 3. A solution of acetic acid and cyclohexanol was found to boil at 135°C (760 Torr). Which component…

A: Boiling point is the temperature at which a compound boils at normal pressure.

Q: Many drugs are sold as their hydrochloride salts (R,NH2* CI), formed by reaction of an amine (R,NH)…

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Q: Calculate the number of gram equivalents in 8 gram of Calcium hydroxide, Ca(OH), Equivalent weight…

A: Answer: Molar weight of calcium hydroxide is 74g/mol and given mass is 8g Calcium Hydroxide is a…

Q: Which aqueous solution would you add to a mixture of aniline (structure on the left) and naphthalene…

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Q: Draw the hydration shells that form around a potassium ion & a chloride ion when potassium chloride…

A: When potassium chloride is dissolved in water, it dissociates into potassium and chloride ions.…

Q: Identify which among the two drugs is more water soluble and why? QH HO CH3 CH3 ČH3 ČH3 DRUG #1 DRUG…

A: Water solubility for these two drugs is explained as:

Q: A 2% solution is diluted 1/10 what is the final concentration? Is it 0.2?

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Q: Explain why vinegar (CH₃COOH) can dissolve in water but vegetable oil cannot.

A: Water is a polar substance which means it can dissolve only  polar substance it . Or the substance…

Q: sodium hydroxide concentration 0,10mol/l. how many moles NaOH are dissolved 150ml solution?

A: Number of moles is given by the ratio of number of moles per litre of the solution.

Q: if 0.0125g of caffeine diluted with water in 250 ml volumetric flask give me a solution with a…

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: How many grams of NaOH are needed to make 50mL of a 0.02g/mL NaOH solution?

A: Concentration in mass by volume can be expressed as,                 concentration = Mass of solute…

Q: How many grams of phenol should be used to prepare 240 g of a 5% (w/w) solution in water?

A: Formula used :-  W/W % = (Mass of phenol ÷ Mass of solution )×100%

Q: An alcoholic drink contains methanol (CH3OH; density of 0.792 g/mL), in which at high dosage, is…

A: Given that, an alcoholic drink contains methanol (CH3OH: density of 0.792 g/mL), in which at high…

Q: THE DOCTOR INSTRUCTS A 23 POUND PATIENT TO BE GIVEN CEFAZOLIN AT A DOSE OF 20 mg/kg IV, FOR SURGICAL…

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Q: How to increase the concentration of KCL saline solution from 10% to 20%

A: Ad a suitable amount of KCl to increase its percentage concentration in the solution.

Q: How many grams of calcium hydroxide are needed to completely neutralize 75 g of hydrobromic acid?

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Q: 100mg of Zn Cl2 is added to 1L, how many mg/L of Cl- is this?

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Q: 3 Which of the compounds below would be soluble in pentane (the structure of pentane is also shown…

A: Step 1: Step 2: Step 3: Step 4:

Q: Which of the following will show a Tyndall Effect? Select the correct response: Aqueous solution of…

A: Tyndall effect is an optical property of a colloidal solution. When a beam of light passed through a…

Q: How many mL of 30% H2O2 solution with a molecular weight of 34 g/mol and a density of d:1.12g/mL…

A: Given that, percentage composition of H2O2 = 30% =30100 molecular weight of H2O2 = 34 g/mol  density…

Q: calculate the molarity of a solution 82 grams of nitric acid hno3 in 1.2 liters of water 68.3 98.4…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: Create the chemical equation for the following: 1. Olive Oil + Hubl's solution 2. Oleic acid +…

A: Hubl's solution is a solution of iodine and mercuric chloride in alcohol and it is used to determine…

Q: How much of a 10% vinegar would be required to make 400 ml of 2.25% vinegar?

A: The Question  involves the concepts of solution preparation. we can prepare dilute solution using…

Q: One liter of a 1g/ml NaOH solution has more Na molecules than K molecules in one liter of a 1g/ml…

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Q: None

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Q: Draw a structural formula for   salt. Q.) Sodium salicylate

A: The structural formula for Sodium salicylate has to be drawn.

Q: If the concentration of a neurotransmitter is 250 mM and the diameter of the synaptic vesicle is 40…

A: Number of molecule = number of moles x 6.0224 x 1023Concentration (mM) = Number of mmol/Volume in…

Q: how many milliliters of ethanol that dissolved in 400 ml of solution by percent 35% ?

A: Volume of solution = 400 mL % 35 v/v means, 100 mL solution contains 35 mL ethanol