2. Calculate the molarity (M) of 30.0 g of NaOH in 350 mL of NaOH solution....
3. Calculate the amount of solute, in moles, grams or milliliters, needed to prepare the following solutions Show all the step by step solution: a. 1.00 L of a 3.00 M NaCl solution (moles of solute) b. 2.00 L of a 1.50 M NaOH solution (grams of solute) c. Milliliters of 1.50 M NaCl solution to obtain 4.78 g of NaCl
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 Molarity....
Calculate the grams of NaOH present in 10.0 mL of a 8.0% (m/v) NaOH solution. 8.0 g 0.80 g 0.72 g 7.2 g Question 8 Which of the following solutions has a molarity of 2.0? 0.020 mole of solute in 50.0 mL of solution 3.0 moles of solute in 3.0 L of solution 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution
Molarity. This is a two step calculation. First you must find the number of moles of solute in your solution. Then divide the number of moles solute by the volume of solution expressed in L. 1 mol NaCI g solute) ( mol Naci g Nai M=(- mol NaCI L solution M An alternate solution allows you to perform the calculation of molarity in a single step by starting with the ratio of grams of solute to the volume of solution....
Calculate the molarity of each of the following: a. 2.00 mol of glucose in 4.00 L of a glucose solution b. 4.00 g of KOH in 2.00 L of a KOH solution c. 5.85 g of NaCl in 400. mL of a NaCl solution Calculate the grams of solute needed to prepare each of the following: a. 2.00 L of a 1.50 M NaOH solution b. 4.00 L of a 0.200 M KCl solution c. 25.0 mL of a 6.00...
12. Molarity, M, is defined as A. moles of solute dissolved in 1 mol of solvent. B. moles of solute dissolved in 1 kg of solvent. C. moles of solute dissolved in 1 L of solvent. D. moles of solute dissolved in 1 L of solution. E. moles of solute dissolved in the solution. 13. What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH? A. 0.250 L D. 0.250 mL B. 40.0 mL E. 0.0400 mL...
8-47 Calculate the mass-volume percent of MgCl, in each of the following solutions. a. 5.0 g of MgCl, in enough water to give 250 mL of solution b. 85 g of MgCl, in enough water to give 580 mL of solution 8-43 Calculate the volume percent of solute in each of the following solutions. a. 20.0 mL of methyl alcohol in enough water to give 475 mL of solution b. 4.00 mL of bromine in enough carbon tetrachloride to give...
For each of the following HCl solutions, the moles or grams of solute present and the total solution volume are given. Calculate the molarity of each solution. a.-1.40 moles HCl, 1.45 L solution b. 0.850 mole HCl, 0.867 L solution c. 30.0 g HCI, 1.45 L solution d. 30.0 g HCI, 875 mL solution 8-53 For each of the following KOH solutions, the moles or 8-54 re b. S.00gvae c. 25.0 g NaCI, 137.0 g H2O d. 729 mg NaCl,...
What is the pH of a 0.054 M HCl solution? What is the molarity of 30.0 mL of a 0.660 M NaOH solution after it has been diluted to 150.0 mL? Show all work . How many moles of gas are there in a gas-filled balloon, which has a volume of 67.0 L at a pressure of 780mmHg and a temperature of 25.0°C? Show all work Calculate the molar mass of methanol, CH3OH