Calculate the corresponding weights of liquefied phenol needed to prepare 24 of 30-mL bottles of the following formula for a cold sore topical liquid: Liquefied phenol 0.4 mL ;

Q: 3. A student carried out the synthesis of aspirin as described using 3.00 g of salicylic acid and…

A: #3: Mass of salicylic acid (MW = 138.12 g/mol) used = 3.00 g  Volume of acetic anhydride used, V =…

Q: Calculate the Mass of the Sodium Acetate that was created during the reaction of baking soda and…

A:

Q: what volume (in L) of a 2.55 M sodium chloride solution contains 5.56 moles of sodium and chloride…

A:

Q: What is the molar concentration of a lidocaine solution prepared by diluting 15. mL of a 2.0 M…

A: Given -> Initial volume (V1)= 15 ml  Initial concentration= (M1)= 2.0 M Final volume= (V2)= 25 ml…

Q: what volume (in L) of a 2.84 M sodium chloride solution contains 6.84 moles of sodium and chloride…

A: Given molarity of NaCl = 2.84 M moles of ions = 6.84 moles

Q: What is the mass-volume percentage of 18.0 g of sodium hydroxide in 48.0 mL of solution?

A:

Q: What volume (in mL) of a 1.96 M glucose solution contains 0.942 moles of glucose?

A:

Q: How many grams of potassium nitrate will be required to prepare 594 mL of an aqueous solution that…

A:

Q: How many moles of acetone (CH3COCH3) are present in 20.00 mL acetone? [Molar mass of acetone is…

A: In international system of Unit, there are several unit. In order to calculate the amount of…

Q: How many mL of 2.36 M NaOH are needed to prepare 372 mL of 0.277 M NaOH?

A: Here 2.36 M NaOH solution is diluted to 0.277 M NaOH solution. Initial molarity, M1 = 2.36 M Final…

Q: what volume (in mL) of a 2.66 M glucose solution contains 0.605 moles of glucose?

A:

Q: How many moles of NaOH are contained in 12.44 mL of 0.672 M NaOH solution?

A: Given  Volume of solution   = 12.44 mL                                   =  12.44 × 10-3 Liter…

Q: Vinegar is a solution of acetic acid (the solute) in water (the solvent) with a solution density of…

A: Given : Concentration of vinegar = 0.80 M And density of vinegar solution = 1010 g/L Assuming 1 L of…

Q: What is the molarity of KNO3 solution containing 2.45 mol KNO3 in 500. mL of solution?

A: Given: The number of moles of KNO3 in the solution is 2.45 mol. The volume of the solution is 500.0…

Q: How many grams of solute are present in 645 mL of 0.200 M KBr?

A:

Q: What is the mass percent of NaCl if 6 grams of NaCl dissolved in 123 grams of solution? What us the…

A: The mass percent of a solute present in a solution is mathematically expressed as: Mass percent =…

Q: What is the volume percent in ethanol obtained by the fermentation of sugar by yeast, if a 50-mL…

A: Given that,  Total volume of aliquot of the fermented liquid = 50.0 mL Volume of ethanol in aliquot…

Q: The legal limit of blood alcohol limit in most states is 0.080 grams per 100.0 grams of blood. What…

A:

Q: What is the molar concentration of a lidocaine solution prepared by diluting 10. mL of a 2.0 M…

A: · Volume of lidocaine stock solution = 10 mL· Molarity of lidocaine stock solution = 2.0 M Diluting…

Q: if you were asked to calculate the molarity of a solution prepared from NaCl and water, what are…

A: Since molarity = moles of solute / mass of solution in L Hence to find molarity we will need below…

Q: What is the mass percent ethanol in a solution prepared by dissolving 17.2 g of ethanol in enough…

A: Given weight of ethanol is 17.2 g  Given weight of solution is 149.0 g .

Q: What is the percent by volume when 26.8 mL of butanol is mixed with 203.0 mL of water?

A:

Q: A student carried out the synthesis of aspirin as described using 3.00 g of salicylic   acid and 6.0…

A: When salicylic acid and acetic anhydride react, there will be the formation of aspirin and acetic…

Q: What is the molarity of a solution that is prepared by mixing 37.0 mL of ethanol in 100.0 mL of…

A: Given, The volume of ethanol = 37 ml volume of water = 100 ml Volume of solution = 133 ml Density of…

Q: Vinegar is a solution of acetic acid (the solute) in water (the solvent) with a solution density of…

A: Given : Concentration of vinegar = 0.80 M And density of vinegar solution = 1010 g/L Assuming 1 L of…

Q: How many milliliters of 4.00M nitric acid would you need to prepare 250 mL of 0.650M nitric acid?

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: How many mL of 6.86 M NaOH are needed to prepare 328 mL of 0.172 M NaOH?

A:

Q: What is the number of moles of water produced in the reaction of 50 0 mL of 1.0 M HCl and 50.0 mL…

A: In the given question we have to calculate the moles of water produced in the given reaction. First…

Q: What is the molarity of NH4Cl in a 158.9mL aqueous solution containing 11.3g of NH4Cl? What is the…

A: We have to calculate Molarity in Question 1, and the mass percentage of ZnCl2 in Question 2.

Q: Assume household vinegar contains 5% acetic acid by weight and that the density of vinegar is the…

A: Given :  Volume of household vinegar = 404 ml  Density of vinegar = 1 gm/ml  Weight % of acetic acid…

Q: Aqueous solutions of 16.7% by mass hydrogen peroxide, H202 (molar mass =34.016 g mol1) are used to…

A: Given that: Mass percent of H2O2 = 16.7% Density of solution = 1.06 g/mL

Q: Name Acids Acetic acid Acetic acid Bases Common laboratory acids and bases Label concentration…

A: In this question, we have to solve both the parts with the given data.

Q: How many liters of a 0.200 MM sodium cyanide solution would be needed to react with 50.0 kgkg of…

A: Gold reacts with sodium cyanide as follows: 4 Au(s) + 8 NaCN(aq) + O2(g) + 2H2O(l)→ 4…

Q: An aqueous solution is 30.0% by mass ammonia, NH3, and has a density of 0.892 g/mL. The molarity of…

A:

Q: What is the molarity of a solution containing 0.325 moles of solute in 250. mL of solution?

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: How many grams of NaOH are required to prepare 240. mL of a 3.50 M NaOH solution?

A: Molarity is one of the ways to represent the concentration of the solution.  Here we are required to…

Q: A 7.98 molar solution is prepared.  How many moles of solute would be in 797.1 mL of the solution?…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: How many grams of solute are present in 145 mL of 0.590 M KBr? mass of solute:             g

A: Number of moles of solute = Molarity x volume in L Mass in grams = Number of moles x Molar mass

Q: What is the mass of 21% alcohol solution is needed to provide 18g of alcohol?

A: Given :-  %w/w of solution = 21% Mass of alcohol = 18 g  To be calculated :-  Mass of alcohol…

Q: . Calculate the number of moles in these quantities: (a) 25.0 g KNO3 (c) 5.4 x 102 g (NH4)2C2O4 (b)…

A: We have given that  1. Calculate the number of moles in these quantities: (a) 25.0 g KNO3 (c) 5.4 x…

Q: Calculate the moles of ethanol from a solution that contains 153.2g of phenol (C6H5OH) and 255.4 g…

A: Given Mass of ethanol in the solution = 255.4 g

Q: Lithium hydroxide solid is used for removing gaseous carbon dioxide exhaled by astronauts in space…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: What mass of H2SO4 would be required to prepare 750. mL of a 0.150 M H2SO4 solution?

A: Given, Molarity of H2SO4 solution = 0.150 M = 0.150 mol/L Volume of H2SO4 solution = 750. mL = 0.750…

Q: What is the molarity of a solution containing 35.2 g MgCl2 dissolved in 330. mL of water?  In…

A:

Q: A water soluble of sulfuric acid has a density of 1.67g/mL and is 75% H2SO4 by mass. How many moles…

A: We have to first convert the volume into mass by using density.  Density=mass/volume  And number of…

Q: How many moles of NaOH are present in 15.5 mL of 0.180 M NAOH? moles:

A: If there is x mol of a particular compound in 1000ml of solvent then it's called x molar solution .…

Q: How many moles of NaCl are in 500.00 mL of a 1.25 M solution of NaCl?

A: Mole is a standard unit for measuring large quantities of very small entities such as molecules,…

Q: 5.8871 1. Mass NaCi (g) 100.0 2. Volume of water (mL) 51.5023 3. Mass ice (g) -2.85 Freezing point…

A: Mass=Density×Volume This numerical is based on the concept of depression at the freezing point which…