if 54.2g of CaCl2 are dissolved in 100.0 ml of pure water. what is the concentraion of the solution in g/l and in M.
if 54.2g of CaCl2 are dissolved in 100.0 ml of pure water. what is the concentraion...
specific heat capacity 2. If 3.8 g of calcium chloride (CaCl2) is dissolved in 100.0 mL of water, the following data are collected: starting temperature is 25.8 °C, final temperature after dissolving is 29.9 °C. Calculate the enthalpy of solution in Joules. You may assume a density of 1.00 g/mL for the solution and you may assume that the specific heat is that of water (this is a dilute solution) and is 4.18 J/(gx°C). Is this an endothermic or exothermic...
Exactly 0.1120 g of pure Na_2CO_3 was dissolved in 100.0 mL of 0.0497 M HCL What mass of CO_2 is evoled?
What mass of magnesium chloride, MgCl2 must be dissolved in 100.0 mL of water to produce a 2.5 M solution?
If 1.421 g of Na_2SO_4 is dissolved in sufficient water to make 100.0 mL of solution, the solution concentration is M, the Na^+ concentration is M, and the SO_4^2 is 0.1000 0.10000.1000 0.0100 0.0200 0.0100 0.2000 0.1000 0.1000 0.1000 0.0500 0.1000
6.3145 g of NaCl was dissolved in enough water to make 100.0 mL of solution. If you pipet a 25.00 mL portion of this solution to an evaporating dish, and evaporate off the water to dryness, what mass of NaCl would you expect to collect?
0.6573 g of potassium iodate is dissolved and diluted to a volume of 100.0 mL. Then 25.00 mL of this stock solution is pipetted into a 100.0 mL volumetric flask which is filled to the mark with water. What is the concentration of the final standard solution in mol/L? Include units in your answer, and round the final answer to the correct number of significant figures.
An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? A hypothetical solution forms between a solid and a liquid. The values of the thermodynamic quantities involved in the process are shown in the following table. Action Enthalpy separation of solute 11.5 kJ/mol separation of solvent 21.8 kJ/mol formation of solute-solvent interactions -86.7 kJ/mol solute...
f 0.0630 mol of CaCl2 is dissolved in water to make a 0.700 M solution, what is the volume of the solution? Number mL
What is the molarity of Na when 100.0 mol of Na2SO4 is dissolved in 20.00 L of water. (Assume the volume of solution equals the volume of water.) What is the molarity of SO42- when 100.0 mol of Na2SO4 is dissolved in 20.00L of water. (Assume the volume of solution equals the volume of water.) How many moles of sulfuric acid are in 300.0 mL of 2.00 M H2SO4(aq) What volume (in mL) of 5.00 M HCl(aq) contains 10.0 mol...
A 0.5187-gram sample of calcium chloride (CaCl2;MW 110.98g/mol) was dissolved in 300. mL of water. What is the molality of the solution? (Assume the density of water is 1.00g/ml)