M = 0.62 moles NaCl / 0.50 liter solution = 1.2 M solution (1.2 molar solution) Note that I assumed dissolving the 6 grams of salt did not appreciably affect the volume of the solution. When you prepare a molar solution, avoid this problem by adding solvent to your solute to reach a s...
What is the total molar concentration of ions in a solution prepared by mixing 100.0 mL of 2.0 M KCl with 50.0 mL of 1.50 M CaCl_2 and 350 mL of water? Find the mass of sodium formate that must be dissolved in 150.0 cm^3 of a...
You have a 1000 mg/dl solution of sucrose. You took 1 ml of that and diluted it to a volume of 4 ml. Then you took 4 ml of that and added it to 36 ml of water. What is the final concentration of your glucose solution? A student wishes to prepare 300 mL of 0.25 M sucrose. ...
How many grams of I2 should be added to 750 grams of CCl4 to prepare a 0.020 m solution? Molality: Molality is a parameter of solutions or homogenous substances. This pertains to the concentration of a substance in a solution, which is expressed as the number of mole...
How many ions are in a 15.85 mol sample of KCl? Determine how many grams of CaCl2 must be dissolved to make 2.15 L of 0.05020 M Cl. How many chloride ions are in 3.50 moles of aluminum chloride? What is the molar mass of calcium chloride CaCl_2? How many moles of chlo...
Answer to: How many grams of Zn(NO3)2�6H2O are needed to prepare 25.0 mL of a 0.350 ? (moles/L) solution? By signing up, you'll get thousands of...
Calculate how much glucose is needed to make 500 mL of a 5% glucose solution. Solutions: In chemistry, a solution is created by dissolving a substance *the solute) in another substance (the solvent). For example, when we mix table salt (NaCl) with water, we are effect...
H2SO4 + MgCl2 -> 2 HCl + MgSO4 Reaction Yield: The reaction yield refers to the process of calculating the amount of product that will be obtained from a chemical reaction, considering the amount of reagents that will participate in it. Depending of the r...
Potassium permanganate is a compound of potassium in which the oxidation state of potassium is +7 and the solution of potassium permanganate (mixed in water) is pink in color.Answer and Explanation: The given mass of potassium permanganate = 225.0 g The molar mass of potassium permanga...
What mass of KCl is dissolved in 250 mL of a solution that is 4.00% by mass/volume? How many grams of NH3 are needed to prepare 800 mL of a 0.20 M NH3 solution? How many grams of MgCl2 are needed to prepare 900 mL of a 0.32 M Mg...