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Can you help me set up this question? One needs to make up 50mL of 0.1 M (mol) LIF from a solution that is 3 M (mol) LIF. What volume of the concentrated solution should be taken so that when it is diluted to 50 mL, the concentration will be 0.1 M (mol)
A physiological saline solution contains 154 mEq/L each of Na+ and Cl-. How many moles of Na+ are in 1.00L of the saline solution?
Calculate the concentration of malonate ion (C3H2O4 2-) in a 0.200 M solution of malonic acid (C3H4O4). The malonic acid, Ka1 = 1.4 x10^(-3), Ka2 = 2.0 x 10^(-6)
A two-component mixture of volatile liquids was separated by gas chromatography using a 15 meter capillary column. The separation was insufficient with this column to see resolution of both fractions.
They are tethered together and are at the same temperature and pressure. Which balloon has the greater number of gas particles. Which balloon has the greater mass. Which balloon has the greater density.
Write a ratio that compares the rate of diffusion for carbon monoxide gas to the rate of diffusion of oxygen gas.
Calculate %wt of C, H, and O in the compound and find the empirical formula of this compound - What is the weight percent of Cl
A 5.61g sample of NaCl is added to 112mL of pure water (density of pure water @ 25 degree celcius is 0.9982g/mL). What is the mass % of the NaCl solution
A polyamide was prepared by bulk polymerization of hexamethylene diamine (9.22 g) with adipic acid (11.68 g) at 280 degrees C. Analysis of the whole reaction product showed that it contained 2.6 x 10-3 mol of carboxylic acid groups.
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..
the distance gauge indicates that you have traveled 15.2mi. what was your rate in km/hr?
What is most reactive, Ba or Fe? why are they both reactive? and why one is more reactive than the other?
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
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