Map Sapling Learning macmillan learning Calculate the ionic strength μ or each of the following aqueous solutions. Assume 100% dissociation of the salts. Ignore any hydrolysis reactions 0.133 M FeCl3 Number 0.183 M Ca(NO3)2 Number 0.176 M NaCl and 0.209 M Na2SO4 Number
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Related questions
1.This question has multiple parts. Work all the parts to get the most points.
a | In each of the following sets of ionic compounds, identify the members of the set that are soluble in water. (Select all that apply.) NH4I NH4HCO3 NH4NO2 NH4NO3 | ||
b | (Select all that apply.) NaCH3COO AgCH3COO Cu(CH3COO)2 Cr(CH3COO)3 | ||
c | (Select all that apply.) CaBr2 Ca(OH)2 CaSO4 CaCl2 | ||
d | (Select all that apply.) Ca(NO3)2 CaSO4 CaCO3 Ca3(PO4)2 | ||
2.Calculate the mass percent of solute in the following solutions.
(a) 8.94 g of NaCl dissolved in 55.5 g of H2O | % |
(b) 3.52 g of LiBr dissolved in 38.6 g of H2O | % |
(c) 14.4 g of KNO3 dissolved in 260 g of H2O | % |
(d) 2.6Ã10-3 g of NaOH dissolved in 3.8 g of H2O | % |
3.How many grams of water must be added to 49.5 g of NaOH in order to prepare a 6.73%(m/m) solution?
grams of water
4.Calculate the volume percent of 495 mL of acetone in enough water to give 1.07Ã103 mL of solution.
%(v/v)
5.How many grams of Na2CO3 are needed to prepare 49.5 mL of a 4.27%(m/v) Na2CO3 solution?
grams of Na2CO3
6.For each of the following solutions, calculate the molarity of the solution.
9.87 g MgNH4PO4 in 750. mL solution
mol/L
19.1 g NaCH3COO in 600. mL solution
mol/L
6.64 g CaC2O4 in 300. mL solution
mol/L
5.58 g (NH4)2SO4 in 500. mL solution
mol/L
7.Calculate the number of grams of solute in each of the following solutions.
(a) 4.95 L of a 2.44 M HCl solution | grams of HCl |
(b) 38.0 mL of a 12.5 M HNO3 solution | grams of HNO3 |
(c) 50.7 mL of a 10.4 M AgNO3 solution | grams of AgNO3 |
(d) 1.77 L of a 6.3Ã10-3 M Na2SO4 solution | grams of Na2SO4 |
8.Calculate the mass-volume percent concentration for a 8.9 M NaOH solution.
%
9.What is the molarity of the solution prepared by diluting 35.0 mL of 1.25 M AgNO3 to each of the following final volumes?
69.6 mL
M
84.9 mL
M
810 mL
M
2.57 L