Calculate the total number of ions in 3.83 mol MgCl2.
Calculate the molarity of 2.9 L of solution containing 1.25 mol MgCl2
Calculate the mole fraction of total ions in an aqueous solution prepared by dissolving 0.400 moles of MgCl2 in 850.0 g of water.
Calculate the total number of ions present in 34.1 g of SrF2.
How many ions are in 6.73 mol of KCl? number of ions:
How many moles of ions are in 25.5g of MgCl2
A solution is prepared by dissolving 0.59 mol of MgCl2 in 0.25 kg of water. How many moles of ions are present in solution? What is the change in the boiling point of the aqueous solution?
A tablet contains 238 mg of magnesium chloride (MgCl2 MW = 95.2 g/mol). How many milliequivalents of magnesium ions does the tablet contain? Assume complete disassociation. (Round your answer to the nearest whole number of milliequivalents. How is this worked out? The answer is 5
When dissolved in water, 1.0 mol of MgCl2 will dissociate into ____[A]____ mol of of Mg2+and ____[B]____ mol of Cl-. If you dissolved 1.0 mol of MgCl2 in water to make 1.0 L of this solution, the concentration would be ____[C]____ M, the osmolarity would be ____[D]____ osmol/L, the concentration of cations would be ____[E]____ Eq/L.
A solution is prepared by dissolving 0.69 mol of MgCl2 in 0.50 kg of water. A.)How many moles of ions are present in solution? (Express your answer to two significant figures and include the appropriate units) B.)What is the change in the boiling point of the aqueous solution? (Express your answer using two significant figures)
105g of MgCl2 contains______ mol
MgCl2
14) A solution containing 145,0 g AgNO3 is mixed with a CaCl2 solution and 98.4 pf AgCl is recovered. Calculate the % yield of the reaction.(2 points) 4) All of the statements regarding the symbol "AH" are correct except A) it can be called heat of reaction. Bit can be called enthalpy change. lled antrony change D) it has a negative value for an exc