
Please and thank you 9) If 1.55 g AlICl, is dissolved in enough water to make...
If 1.25 g Fe(NO3)3 is dissolved in enough water to make exactly 397 mL of solution, what is the molar concentration of nitrate ion?
If 5.28 g Fe(NO3)3 is dissolved in enough water to make exactly 298 mL of solution, what is the molar concentration of nitrate ion?
If 2.63 g Fe(NO3), is dissolved in enough water to make exactly 460 mL of solution, what is the molar concentration of nitrate ion? M of Fe(NO3)3=241.86 g/mole
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L of solution: a. What is the molarity of the solution? b. How many moles of Nail are contained in 0.0100 L of the above solution? What volume (L) of this NaCl solution would contain 0.150 moles of NaCl? 2. 255 g of NHCl is dissolved in enough water to make 7500 ml of solution What is the molarity of the solution b. How many...
25.00 g of potassium hydrogen phosphate (K HPO4) is dissolved in enough water to make 125.0 mL of a solution with a density of 1.22 g/mL. What is the concentration of the solution in % (m/m). % (m/v). molarity, mosM and mEq/L of the potassium ion? Note: K2HPO4 has a molar mass of 174.2g/mole. What would be the final molarity of the above solution if you were to dilute it by adding 175 mL of water?
2. 25.5 g of NHCl is dissolved in enough water to make 750.0 mL of solution What is the molarity of the solution? b. How many moles of ammonium chloride are contained in 237 mL of solution? c. What volume in mL of this solution would contain 0.059 moles of ammonium chloride?
A 4.691 g sample of MgCl2 (95.21 g/mol) is dissolved in enough water to give 750.0 mL of solution. What is the chloride (35.45 g/mol) ion concentration (in molarity) in this solution?
You have a 1.153 g sample of an unknown solid acid, HA, dissolved in enough water to make 20.00 mL of solution. HA reacts with KOH(aq) according to the following balanced chemical equation: HA(aq) + KOH (aq) --> KA (aq) + H20 (l) If 13.40 mL of 0.600 M KOH is required to titrate the unknown acid to the equivalence point, what is the concentration of the unknown acid? What is the molar mass of HA?
If 2.50 g of calcium bromide, CaBr2, is dissolved in enough water to make 250 mL of solution, what is the concentration of bromide ions? (Molar mass of CaBr2: 199.9 g/mol) 0.100 M 0.150 M 0.0500 M 0.0125 M 0.0250 M
5. 1.024 g of an unknown molecular solid are dissolved in enough
water to produce 200.0 mL of solution. The osmotic pressure at 25C
is 278.0 torr. What is the molar mass of the solid?
6a. Calculate the van't Hoff factor of a 0.085M potassium
sulfate solution that has an osmotic pressure of 5.4atm at
25C
5. 1.024 g of an unknown molecular solid are dissolved in enough water to produce 200.0 ml. of solution. The osmotic pressure at 25...