A solution is made using 95.0 g of potassium nitrate in 300. mL of water at 70.0 ℃.  If the solution is quickly cooled to to 20.0 ℃, how many grams of potassium nitrate precipitate out?

Q: Mass of NaOH = SC Submit Part E Ascorbic acid, or vitamin C (C6H₂O6, molar mass= 176 g/mol), is a…

A: Given,  E) The moles of ascorbic acid ( C6H8O6 ) = 2.81 × 10-4 mol.  The mass of ascorbic acid is:…

Q: Propenoic acid, C3H4O2C3H4O2, is a reactive organic liquid that is used in the manufacturing of…

A: Given: Mass of sample = 0.379 g. Mass of CO2 = 0.339 g. Mass of H2O = 0.237 g. Molar mass of CO2 =…

Q: KI

A:

Q: A formula for a cough syrup contains 1/8 gr of codeine phosphate per teaspoonful. How many grams of…

A: A cough syrup contains  codeine phosphate per teaspoonful = 1/8gr 1 pint = 96 teaspoonful

Q: Aqueous hydrobromic acid  HBr  will react with solid sodium hydroxide  NaOH  to produce aqueous…

A: Chemical reaction- It consists of reactant (starting material) and products (substances formed in…

Q: What is the mass of sucrose in 345 g of 12.0% sucrose solution? answer with correct sig figs in…

A: • We need to calculate the mass of sucrose (solute) in grams

Q: 100.0 g of lead(II) nitrate is reacted with 50.0 g of potassium iodide (in plenty of water). How…

A:

Q: Using the available data in the graph (below), calculate the percent by mass of Potassium Bromide in…

A: Percentage by mass is a method to represent the concentration of any solution, and it s defined as…

Q: How much of an elixir that is 3% medication should a pharmacist mix with 10 mL of an elixir that is…

A: It is required to calculate the volume of 3 % medication which is required to be mixed with 10 mL of…

Q: A chemist reads a solubility table and finds that 38.0 grams of table salt is the maximum amount of…

A: Solubility :- The maximum amount of solute that can be dissolved in given amount of solvent is…

Q: Suppose a group of students working as lab partners mixed four liquid chemicals together. The four…

A: Need to calculate the mass percentage of 2-propanol.

Q: density of water= 1 g/ml   volume of water = 12ml   mass of water= ?  mass of solute = 1g…

A:

Q: A chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 210.μmol of silver(I)…

A:

Q: A 75.0-g sample of a pure liquid, liquid A, with a density of 3.00 g/mL is mixed with a 50.0-mL…

A:

Q: The solubility of KCl in water is 34 g per 100 g of water at 20°C. A heated solution containing 85 g…

A: Solubility is defined as the maximum amount of solute dissolve to make a saturated solution in 100g…

Q: How many grams of water must be used to prepare a 2.50 percent by mass (%m/m) sodium hydroxide…

A:

Q: An analytical chemist weighs out 0.278 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given-> Weight of diprotic acid = 0.278 gm Volume of flask= 250 ml = 0.250 L (1 L = 1000 ml)…

Q: A bottling plant has 163,250 bottles with a capacity of 355 mL, 123,000 caps, and 33,350 L of…

A: Given : Number of bottles = 163,250  Capacity of each bottle = 355 mL = 0.355 L…

Q: Aqueous hydrobromic acid  HBr  will react with solid sodium hydroxide  NaOH  to produce aqueous…

A: Balancing of chemical reaction- It consists of reactant (starting material) and products…

Q: A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration…

A: It is given that,       Initial concentration of salt dissolved in        Lake…

Q: 1. What is the percent by mass of 6 g of copper (II) sulfate dissolved in 84 g of water? 2. A…

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

Q: The solubility of benzic acid in water at room temperature is 0.38 g per 100 ml of water. If 4.62 g…

A: When benzoic acid is dissolved in 100 ml of hot water (assume all the benzoic acid dissolves) and…

Q: IV (intravenous) solutions are mixtures of sugars, salts and other aqueous solutes fed directly to a…

A: Answer

Q: IV (intravenous) solutions are mixtures of sugars, salts and other aqueous solutes fed directly to a…

A: We have given that  Concentration of glucose = 5% by mass   Given that : density of Solution : 1g/mL…

Q: Instructions: solve as neatly as possible and show complete solution.  all values must include…

A:

Q: A student determines the calcium content of a solution by first precipitating it as calcium…

A: Given data,Molarity of Ca(NO3)2=0.531MVolume of Ca(NO3)2=34.0mL=0.034L

Q: III: Sucrose is the chemical name for the sugar we consume. Its solubility at 20°C is 204 g/100 g…

A: We can easily calculate the amount of soluble sugar in the given water at that particular…

Q: A chemist adds 1.90L of a 0.106 M potassium dichromate K2Cr2O7 solution to a reaction flask.…

A: We have to predict the millimoles of chemical added.

Q: aqueous solutes fed directly to a patient's veins. If an IV solution is 5.0% glucose by mass, how…

A: % by mass is a concentration term which is used to prepare solution of different concentration. The…

Q: A chemist prepares a solution of mercury(I) chloride (Hg2Cl2) by measuring out 0.000221μmol of…

A: Recall the expression to calculate concentration      concentration=amount of Hg2Cl2μmolVolume of…

Q: A solution is made by dissolving 3.25 grams of a substance in 180 mL of water. Calculate the density…

A: The given mass is 3.25 g. It is known that, 1 g = 10-3 kg.Therefore, the value of mass in kg is…

Q: A solution contains 38% phosphoric acid by mass. This means that ________. A. the density of this…

A: since % by mass is defined as the mass percent of solute present in the solution  Hence % by mass of…

Q: A solution is prepared by dissolving 12.5 g of KBr in 20 mL of water at 60 °C(see Figure 9.3). Is…

A: Solubility of any substance means the mixing of one component into the other component. If the…

Q: A sunscreen preparation contains 2.50% by mass benzyl salicylate (2.50g benzyl salicylate/100g…

A: It is given that the sunscreen consists of 2.50 % by mass benzyl salicylate that is 2.50 g of benzyl…

Q: Q: A chemist attempts to prepare some crystals of borax (sodium tetraborate, Na,B4O7.10H2O) by…

A:

Q: aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: The maximum mass of sodium chloride is to be calculated

Q: A student dissolves 106 g of compound Q in one liter of hot water. All of compound Q dissolves.  The…

A:

Q: a sample of unknown mixture has a total mass of 134g, a total volume of 113 cm3, and consists only…

A: Both volumes and masses are addictive in nature. If in a mixture, we add different mass  and volume…

Q: An analytical chemist weighs out 0.159 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Stoichiometry involves the calculation of concentration of solutions in the given conditions of…

Q: 1.872 g C4H4O4 is dissolved in H20 and titrated with NaOH. 12.3 mL of a NaOH solution were required…

A: Applying formula  Molarity = no. of moles of solute /vol of sol(Lt)  No. Of moles of C4H4O4 =…

Q: Aqueous hydrochloric acid (HCL) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Given reaction is , acid base reaction which gives salt and water as products. Also, given values…

Q: Propenoic acid, C3H4O2C3H4O2, is a reactive organic liquid that is used in the manufacturing of…

A: The mass of the sample = 0.257 g Mass of water produced = 0.180 g mass of carbon dioxide produced =…

Q: Aqueous hydrochloric acid (HCl) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A:

Q: One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl…

A: Given: The mass % of NaCl in thephysiological saline, =  0.89% (m/m). The density of physiological…

Q: Maple syrup is made from the sap of a maple tree. Whe the sap is tapped from the tree it is 4.0% by…

A: Here we are required to find the mass of sap that would be needed for making 1kg of syrup

Q: Average human blood serum contains 18 mg of K+ and 365 mg of Cl- per 100 mL. Calculate The molar…

A: concentration = (no of moles of solute/ volume of solution in ml) × 1000   • pK = -log {K+} • pCl =…

Q: Give the mass of the solute and mass of the solvent for 1.30 LL of a solution that is 17.0 %% of…

A: Given, % by mass of Pb(NO3)2 = 17.0 % Volume of solution = 1.30 L = 1300 mL     (1 L = 1000 mL)…

Q: A solution is made by dissolving 125 g of sodium chloride in 1500 g of water. What is the percent by…

A: Given, Mass of NaCl = 125 g  Mass of water = 1500 g  % Mass = ?

Q: A physician requests that an iso-alcoholic elixir containing 30.0% alcohol be prepared. How many mL…

A: Given, Total volume of solution= 1000ml % iso-alcohol elixir for final solution = 30% % low…