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A 35.0 mL solution of 0.095 M CaCl2 is mixed with 25.0 mL of 0.0012 M BaCl2 if KF is slowly added which flouride salt will precipitate first? Calculate the concentration remaining in solution of the cation that first precipitates when the second fluoride salt begins to precipitate.
What is the mass, in milligrams, of mercury in 1.00 kg lake trout that just meets the Northern American standard of 0.50 ppm Hg?
Write the balance equation and predict the moles of ammonia that can be made using usng 22.4g of nitrogen and an unlimited amount of hydrogen
From the following list of aqueous solutions and water, select the one with the highest boiling point.
how many CH 3 groups are there, per 1000 C atoms (main chain)? ethylene-propylene rubber (EPR) is completely amorphous you may ignore the ends of the chains
Calculate the values of E for the cell when the following volumes of the ce4+ titrant hav been added:(Activity coefficients may be ignored as they tend to cancel when calculating concentration ratios). 1.50 ml 20.0 ml 39.0 ml 40.0 ml 44.0 ml 80.0 ..
When the reaction 2 H2S g ~ 2H2 + S2 is carried out at 1065 degrees celcius, Kp = 0.012. Starting with pure H2S at 1065degrees, what must the initial pressure of H2S be if the equilbrated mixture at this temperature is to contain 0.250 atm of H2 (..
an aqueous solution of a certain organic compound hasnbsp an osmotic pressure of 12.16 atm at 250c a density
A mixture containing 8ml cyclohexane, 8 ml p-xylene, and 8 ml dichoromethane was distilled. how to caculate the mole percent composition of p-xylene
Determine the new volume of the mixture if the constant is kept constant at 635 mmHg and all the energy released is converted to work to push the piston.
Draw intermediate and final products. Cyclopentene ----->NBS above arrow and heat,peroxides below arrow. Give intermediate. Then ----------> NaOCH2CH3 above arrow and CH3CH2OH,heat below arrow. Give products
Write the structural formulas for the products that form when 1-butene reacts with each of the following reagents: a) HI b) H2, Pt c) Dilute H2SO4, warm d) Cold concentrated H2SO4 e) Cold concentrated H2SO4, then H2O and heat
When 9.64x10-4 moles of this complex is dissolved into 425.0 mL of the water, you find that 19.22 mL of 0.1000 M HCl is needed to reach a titration endpoint. What is the final formula
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