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Problem- A strong-acid cation exchanger is employed to remove calcium hardness from water. Its wet-volume capacity is 2.0 eq/L in the sodium form. If calcium concentrations in the influent and effluent are 44 mg/L (2.2 meq/L) and 0.44 mg/L (0.22 meq/L), respectively find the maximum volume of water that can be treated per liter of resin. The water has the following composition in meq/L. The selective coefficient for calcium over sodium is 2.6. Ca2+ 2.2 meq/L Mg2+ 1.0 meq/L Na+ 3.0 meq/L HCO3- 2.9 meq/L Cl- 3.1 meq/L SO4-2 0.2 meq/L
Anyone can tell me how to solve it step by step so that I will be able to understand what is going on?
Compare this general form of this phase diagram with the interactive phase diagram for CO_2 and classify points a through g on the phase diagram according to the number of phases present at each point.
A 1.44 g piece of metal was taken from a beaker of boiling water at 100 oC and placed directly into a calorimeter at 25.0 o C. The calorimeter heat capacity is 1.23 J/K. If the final temperature is 62.5 oC, determine the specific heat capacity of ..
If 12.0 g naphthalene (C10H8) is dissolved in 119.4 g chloroform, what is the molality of the solution
If 4.21*10^-3 moles of Ca^2+ react with excess PO4^3- to form calcium phosphate, how many moles of the solid will form.
joseph priestley discovered oxygen in the eighteenth century by using heat to decompose mercuryii oxide2 hgos heat
A 0.040 M solution of a monoprotic acid is 14 percent ionized. Calculate the ionization constant of the acid.
Describe how to prepare 0.200 L of 0.450 M HCl solution, starting with a 2.00 M HCl solution. What volume (in L) of the 2.00 M solution
the density of iron is 7.874 g/cm^3 at 300K. If iron forms a body-centered cubic lattice, what is the radius of an iron atom?
when .192 g of phosphorus reacts with oxygen .440 g of a white oxide is formed. how many grams of oxygen reacted with
how many millgrams of ascorbic acid (molar mass = 176.1g/mol) are in the sample, calculate the number of milligrams of ascorbic acid per 100g of citrus juice.
In a typical mass spectrum, a smaller signal is observed at a mass 1 amu higher than the molecular ion peak. Why? A) Due to small impurities in the sample
What is the change in internal energy (in J) of a system that releases 840 J of thermal energy to its surroundings and has 119 cal of work done on it? can you show work please the anser is -342
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