A sunscreen preparation contains 2.30 %% by mass benzyl salicylate. If a tube contains 6.0 ozoz of sunscreen, how many kilograms of benzyl salicylate are needed to manufacture 305 tubes of sunscreen?

Q: copper sulphate (CuSo4) with a concentration of 0.00095 mol l-1. If they wanted to prepare one litre…

A: Here, Molecular weight of CuSO4= RAM(Cu)+ RAM(S)+ 4×RAM(O).…

Q: To what volume (in mL) would you need to dilute 25.0 mL of a 1.45 M solution of KCI to make a 0.0800…

A:

Q: The density of acetic anhydride (C4H603) is 1.08 g/mL. Calculate the moles of acetic anhydride…

A:

Q: A certain mass of compound X (molar mass = 102.4) is dissolved in water to give 0.548 L of an 5.58…

A:

Q: How many grams of solute are needed to prepare  2.81  ×  102  g of  0.900% (mass/mass)  NaCl

A: Answer: In this question mass of solution and mass% of NaCl is given to us and we have to find out…

Q: What is the number of moles of water produced in the reaction of 50.0 mL of 1.0 M NH4Cl and 50.0 mL…

A:

Q: Suppose a 17.8640 g sample of a NaCl and KCl mixture contains 3.5286 g of NaCl. What is the percent…

A: The mass percent of the component in the mixture can be calculated by using the below formula- Mass…

Q: How many grams of MgF2 are needed to prepare 743.6 mL of  0.859  molar aqueous MgF2?

A: Molarity of a solution is defined as the number of moles of solute upon the volume of the solution…

Q: What volume in L of a 0.724 M NaI solution contains 0.405 mol of NaI ? If you have 155 mL solution…

A: a) concentration of NaI solution = 0.724 M = 0.724 mol/Lmoles of NaI = 0.405 molVolume of NaI…

Q: A solution is made when 137 g of NaCl is dissolved in enough water to form 836 mL of solution.…

A: Given  mass of solute ( NaCl ) = 137 gram  Volume of solution      = 836 mL density       = 1.06…

Q: What mass of phosphoric acid in grams is needed to produce 4.59 mol of water?

A:

Q: 10.00 grams of solid potassium hydroxide is added to 250.0 mL of distilled water. Write a chemical…

A:

Q: copper chloride 6  a 5.2540 g sample of magnesium-zin alloy is dissolved in hyfrochloric acid to…

A:

Q: Determine the limiting reactant and mass of CO2 gas produced when 11.0 g of Na2CO3 is added to a…

A: The reaction between Na2CO3 and HCl is  Na2CO3 + 2 HCl → 2 NaCl + H2O + CO2 Moles = Mass/ Molar Mass…

Q: How much solute (g) is required to prepare 850 mL of a 0.5 M solution of CuSO4 (MW = 159.61 g/mol)…

A: Molarity = moles ÷ volume

Q: To what volume (in mL) would you need to dilute 30.0 mL of a 1.35 M solution of NaI to make a 0.0585…

A: In case of dilution, Volume of a diluted solution = Volume of the original solution + Volume of…

Q: BaCl2 was dissolved in 1250 mL of water to get a solution of molarity 0.75. Calculate the mass of…

A:

Q: How many moles of NaOH are present in 14.5 mL of 0.130 M NaOH?

A:

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 % by mass of calcium in hydrated calcium chloride CaCl2•2H2O?

A: For the molecule: The molar mass of the different groups are: The total mass of the hydrated…

Q: If you mixed 35.0 grams of NaCl into 0.500 liters of water, what would the molarity of the resulting…

A: The mass of NaCl (sodium chloride) = 35.0 g. The volume of water = 0.500 L. The molar mass of NaCl…

Q: How many moles of NaOH are present in 15.0 mL of 0.120 M NaOH?

A: We have 15 ml solution, 0.120 M as concentration ,we have to calculate the moles of NaOH present.

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: You have 272.9 mL of a 0.174 M MgSO4 solution. What would the molarity of the resulting solution be…

A: According to the law of dilution, we can write: C1V1 = C2V2       ................... (1) where: C1…

Q: Determine the mass of a solution of a 7.897 wt % LiI if you needed to provide 0.3894 moles of LiI…

A: wt% = 100 x Mass of solute/Mass of solution Mass = Number of moles x molar mass

Q: A solid has a solubility at room temperature of 78 grams per liter. If 1.0 L of a heated solution…

A: Solubility is defined as the maximum amount of a substance that will dissolve in a given amount of…

Q: 2) What is the molarity of a KNO3 solution that is prepared by dissolving 31.0 grams KNO3 in enough…

A:

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: An alloy is found to be 41.8% Zn and the rest is Cu. If 15.0 g of Cu is added to 45.0 g of This…

A: Mass of the alloy = 45g% of copper in the alloy = (100-41.8) = 58.2%% of zinc in the alloy =…

Q: Calculate the molarity of the following solutions: (a) 0.85 mol of solute in 135 mL of solution…

A: Molarity is a concentration term. Molarity is defined as the number of moles of solute dissolved per…

Q: A solution was prepared by dissolving 38.0 g of KCl in 225 g of water. Calculate the mole draction…

A: Calculate number of moles of KCl and water:

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: How many moles of NaOH are present in 29.5 mL of 0.160 M NaOH?

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: Given the following mixture of two compounds 60.00 g of liquid X (MW =93.00 g/mol)(density 1.267…

A: The molarity specifically exhibits the solution's concentration. A particular solute's moles which…

Q: What is the molarity of a solution formed by dissolving 12.153 g NaOH in water to give a final…

A:

Q: Given the following mixture of two compounds 65.00 g of liquid X (MW =79.00 g/mol)(density 1.011…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,

Q: what is the mass % of each component in the mixture?

A: Given :- mass of sugar = 2.00 g                mass of salt = 3.00 g               mass of solution…

Q: What is the molarity of HCl if 33.43 mL of a solution of HCl contain 0.3361 g of HCl?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: If 5.00g CaCl2 (s) is mixed with enough water to make 250.0 mL, what is the molarity of the…

A: Given : Mass of CaCl2 = 5.00 g And volume of solution made = 250 mL = 0.250 L…