What is the average percentage by volume of ethanol for this batch?

The solubility of Er, (SO,), is 137.6 g/L H, O at 20 °C. Several solutions of Er, (SO,), (at 20 °C) have been prepared. Categorize each solution as unsaturated, saturated, or supersaturated. Unsaturated Saturated Supersaturated Answer Bank Solution 1: 8.818 g solute is completely dissolved in 76.10 ml. water. Solution 2: 24.47 g solute is completely dissolved in 177.8 ml. water. Solution 3: 41.27 g solute is completely dissolved in 221.2 mL water. Solution 4 01147 o solnte is.comnletely dlissolved in 0.7611 ml. water out u carees pacy poy tes of e contact e

Mass percent is determined by the calculation 1. (grams solute ÷ grams solvent) x 100% 2. (grams solute ÷ grams solution) x 100% 3. (grams solvent ÷ grams solute) ÷ 100% 4. (grams solute x grams solvent) ÷ 100% O 1 4

For what cations and anions are the compounds always soluble in water?

Please help me with this one Sugar is the solute and water is the solvent. The drink mix will be considered negligible and is added simply for the visualization of dilution results. Calculate the concentration of sugar in this solution using the volume percent equation. Refer to the background for sample calculations. For the purpose of this exercise, it can be assumed that the weight of the drink mix is 0.00 g. The volume of the solution is 3 and 1/3 cups. Convert to metric units, then calculate and record the volume percent in Data Table 1 (Note that 1 cup = 236 mL). Volume % = Volume of Solute/ Volume of Solution × 100%

What is the mass of the solvent (in grams) in 1.000 L of an aqueous 1.500 M NaCl solution? Be careful with your significant figures! (Do not include the unit in your answer.) Type your numeric answer and submit

5.00 mL of stock solution is diluted to 25.00 mL, producing solution ALPHA. 10.00 mL of solution ALPHA is diluted to 25.00 mL, resulting in solution BETA. 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. dilution factor for ALPHA from stock solution = 0.167 dilution factor for BETA from ALPHA solution = 0.0476 part c and d?

A chemist has a 60 mL beaker of a 30% solution. a. Write an equation for the concentration of the solution after adding x mL of pure water. Concentration =    b. Use that equation to determine how many mL of water should be added to obtain a 22% solution. Round your answer to 1 decimal place.    mL

A solution is prepared by dissolving 23.4 g of CaCl2 (MW = 110.98 g/mol) in 355 mL of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is ________ molar.

13. Nitric acid, HNO3, is a strong acid in aqueous solutions. It is sold commercially as a concentrated solution with a density of 2.14 kg.L-¹ and containing 58% mass of HNO3. We introduce 10.0 mL of this solution in a 250.00 mL volumetric flask which is then filled to the mark with distilled water. This solution is called S. S is then diluted 100 times to afford solution S'. a. What is the definition of a strong acid? | b. What is the concentration of solution S"? c. What is the pH of solution S'?