Determine the % water content of the popcorn kernels. Show complete solution.

Q: The concentration this concentration of Tetrachloroethylene in water is 3 mg/L. Express in mol/1,…

A:

Q: Any dilute aqueous solution has a density near 1.0 g/mL. Suppose the solution contains 1 ppm of…

A: ppm is a method of expressing concentration of a solution. It tells us how much quantity is present…

Q: Solutes have almost no effect on the boiling & freezing points of a solvent.  True  False

A: 1- In this question, we will see the true and false for the given statement.  You can see below,

Q: You need to make 0.500 L of a 60.0 mM CaCl2 solution from a 20.0 M CaCl2 stock solution. Determine…

A: We have to calculate the volume of stock solution and water required to make 0.500 L of a 60.0 mM…

Q: You need a 50% alcohol solution. On the other hand, you have 135mL of a 35% alcohol mixture. You…

A: The concentration of a mixture can be measured in terms of mass by mass percentage. This…

Q: how much 2% glucose solution can be made from 50mL of 35% glucose solution

A: Given: Initial concentration of glucose solution = 35 % Concentration after dilution of glucose…

Q: How much of glucose (C,H1,06) is needed to make 1 L of a 1-M solution? Use details to support your…

A: The molarity is the concentration term which is the number of moles of solute present in per liter…

Q: compare and contrast a saturated and a supersaturated solution

A: Saturated solution = A saturated solution is a solution which cannot dissolve anymore amount of…

Q: HOw many microliters of 20% sucrose should be used to make 2ml a 5% sucrose?

A:

Q: etermine the change in temperature of the system after dissolution of the various salts in water.…

A: 1.) Temperature can be can be calculated using the final temperature and initial temperature.  2.)…

Q: How to prepare Saturated brine (NaCl) solution (50 mL)

A: A saturated solution of sodium chloride that means a quantity of sodium chloride solute to would be…

Q: What percentage is a 1 M glucose solution?

A: In 1 M of glucose solution, 1 mol of glucose is present in the 1.0 L of the solution. The mass of…

Q: Density of toluene- 0.86 g/ml Calculate the volume of toluene needed to make 50 mL of a 780 g/mL…

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Q: How are excess solutions treated prior to disposal (what happens to the solutions collected in the…

A: Marine life is adversely affected by low or very high pH values. Below pH 5, most fish are unable to…

Q: A hospital saline solution is analyzed to verify its concentration. A 50.0-mL sample of the solution…

A: Check the formula to calculate the percentage of NaCl and use it for percentage calculation.

Q: A chemist mixes 22.7 g of acetone with 38.7 g of methanol and 51.8 g of 1-bromobutane. Calculate the…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: CI. gut = OH 0°C concentrated X 1. LIAIH 2. H₂O* NaOH

A:

Q: __________ is a measure of energy randomization or energy dispersal in a system.…

A: According to the first law of thermodynamics, the energy cannot be created or destroyed but the…

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: In regards to the process of dissolving, which of the following statements are true? Put the…

A:

Q: The solubility of substance A in four different solvents at low temperature and high temperature are…

A: Solubility is the property of dissolution of a solute in a solvent to form a solution.

Q: 9. Separation of two substances by recrystallization depends upon their differences in a.…

A: To explain: Separation of two substances by recrystallization depends upon their differences in…

Q: What type of contaminants, if any,  are found in the mountain water?

A: Type of contaminants in the mountain water.