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Problem- How many grams of solid barium sulfate form when 35.0 mL of a 0.160 M barium chloride solution reacts with 58.0 mL of a 0.065 M sodium sulfate in a 96.9 % yield?
BaCl2 + Na2SO4 à BaSO4 + NaCl [unbalanced]
Thank you! My final is tomorrow and I am in desperate need!
a sample of chloroform is found to contain 11.3 g of carbon 100.2 g of chlorine and 0.95 g of hydrogen. if a second
Sodium carbonate was used to precipitate silver from a solution. 6.00 grams of silver carbonate were recovered 1.500L of solution. What was the concentration in ppm of silver ions in the original solution?
Compare your predicted bond angles and the program model predicted bond angles in SO2Cl2 with the actual bond angles in SO2Cl2. Are they the same
stock solution of Bovine Serum Albumin (BSA), diagram the most accurate procedure so you end up with at least 500 uL each of 5 ug/uL
Caffeine has a distrubution coefficient of 8.4 for methylene chloride/ water. How much caffiene will be extracted from a 200 mL cup of Turkish coffee (250 mg caffeiene) by 100 mL of methylene chloride?
the atomic spacing in rock salt nacl is 0.282 nm. find the kinetic energy in ev of a neutron with a de broglie
Calculate delta S for the heating of 1 mole of SO2(g) from 75°C to 1350°C at a constant pressure of 1 bar.
A mixture consisting of 30ml of waste and 270ml of seeded dilution water has an initial DO of 8.55mg/l; after 5 day, it has a final DO of 2.40 mg/l. Another bottle containing just the seeded dilution water has an initial DO of 8.75 mg/l
A single celled animal lives in a fresh water lake. The cell is transferred into ocean water. Does it stay the same, shrink, or burst. Explain why.
Calculate the equilibrium amounts if initially 0.1 moles H2 0.2 moles I2 are mixed and equilibirum is established at 300K. Kc at this temperature is 70.
a coffee cup calorimeter containing 100ml of 0.30M HCl at 20.3degrees celcius. when 1.82g of Zn solid is added, the temperature rises to 30.5 degrees celcius. what is the heat of reaction per mole of Zn.
A 17.6 g sample of an alloy at 93.0°C is placed into 50.0 g of water at 22.0° C in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the is 31.1°C, what is the specific heat capacity of the alloy
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