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What volume of 0.1066 M Na2S2O solution would be requried to react with 24.32 mL of 0.1008 M I2 solution?
A student is concentrating a solution having a polypeptide of modest molecular weight by pressure filtration through a membrane. The solute concentration on the feed side of the membrane is 0.10 M and the temperature is twenty five degree celsius.
what is the corresponding pressure difference between points A and B, in mmHg. At which point (A or B) is the pressure higher, and why? The temperature is 60 °F throughout
Two beakers containings different buffer solutions of lactic acid/lactate (CH3CHOHCO2H/CH3CHOHCO2- or LacH/Lac-) and quinhydrone are prepared.
A mixture of 0.150 moles of C is reacted with 0.117 moles of O2 in a sealed, 10 L vessel at 500 K, producing a mixture of CO and CO2
How many atoms of neon occupy a volume of 14.3 L at STP?
Calculate the molar concentration of OH - ions in an 1.43 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
What volume of carbon dioxide gas will be produced at 25 degrees Celcius and 590 mmHg, when 65.0 mL of 0.200 M HCl is treated with excess sodium bicarbonate?
What is the velocity of a first-order reaction when the reactant concentration is 6 x 10-2 M and the rate constant is 8 x 103 sec-1?
Explain carefully, with a drawing, why the protons substituted ortho to an acetyl group normally have a greater chemical shift than the other protons on the ring.
Find the number of automobiles whose total mass is the same as 1.0 mol blueberries if The mass of an average blueberry is 0.77g and the mass of an automobile is 2000 kg ?
What is the mass percentage of iron in a sample if titration of 1.2284g of the sample requires 57.91 mL of .1018M of Ce(NH4)2(NO3)6 for complete reaction?
How long does it take to deposit a coating of gold 1.00um thick on a disk-shaped medallion 4.00 cm in diameter and 2.00 mm thick at constant current of 89 A?
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