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In a titration of 50.0mL of 0.1000 M formic acid with 0.100 M KOH, the titration error must be no more than 0.05mL. What indicator can be chosen to realize this goal?
Consider a 2710-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car? in mph
How many grams of each of the following substances will dissolve in 100 mL of cold water. Consult a handbook or the Internet and cite your source.
What are some methods done by latent fingerprints. What are some advantages and disadvantages to latent fingerprints?
A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl
How much 10.0 M HNO3 must be added to 1.00L of a buffer that is 0.0100 M acetic acid and 0.1 M sodium acetate to reduce the pH 4.70?
the following findings, express to the nearest atomic mass unit, in agreement with Dalton's atomic theory? expalin your answer.
what is the product of the reaction of CsCl and SnCl4 and what is the role of cesium chloride in the reaction
consider a flask at 298 K with an air pressure of 738 mmHg to which some n-butanol is added. If the measured pressure after the addition is 745 mmHg, what is the vapor pressure of n-butanol at 298 K?
A solution of potassium cyanide, KCN, instead of conc NH3 is added to copper(II) sulfate pentahydrate ([Cu(H2O4)]SO4.H20). Wrtie the formula of the expected complex ion.
A 115 mL sample of a 11.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.40 L.What is the freezing point of the final solution? (Assume a density of 1.06 g/mL for the final solution.)
benzylamine was titrated with 0.050 0 M HCl. Calculate the pH at the following volumes of added acid: Va = 0, 12.0, 30.0, 0.5 Ve, Ve, and 35.0 mL.
Calculate the kinetic energy of 2 kg of helium gas at 25 C. If this energy could be captured and used to accelerate a 1400.0 kg automobile, how fast would the car travel on a flat surface (ignoring friction)
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