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The solubility of silver sulfate, Ag2SO4, in water has been determined to be 8.0 g/L. What is the solubility in 0.24 M sodium sulfate, Na2SO4? ___g/L
If the titrant has a molarity of 0.2500 M and there are 45.00 mL of analyte present, what is the molarity of the analyte?
In the Olympics and other major athletic competitions, a GC-MS is used to screen athletes for their use of banned substances such as steroids.
Calculate the detection limit (90% and 95% confidence interval) for a single measurement. Use the equation D.L = (ks)/m
the two rarest non-radioactive elements are ruthenium and rhodium, each with an abundance of 1x10^-4 g/t. What is the total mass of each of these elements in the Earth's crust (1 t = 1000kg)?
If the pressure exerted by ozone, in the stratosphere is 3.0*10^-3 atm and the temperature is 253 K, how many ozone molecules are in a liter?
Formation of molecules in a reaction, Using the reaction of hydrogen chloride (hydrochloric acid) and calcium hydroxide to produce water and calcium chloride answer the following
Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible? why or why not?
How many grams of water are required to prepare a 1 .50 m NaCl solution using 45.5 grams of NaCl?
If a 189-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft 1.0 ft, what is the average thickness of the sheet in meters?
explain how the ligands of F-, NH3 and CN- bonded to CO3+ can result in a green, yellow-orange, and pale yellow color for these compounds, respectively
If the pressure of chloroform vapor in a flask is 154 mm Hg at 25.0°C, and the density of the vapor is 1.25 g/L, what is the molar mass of chloroform?
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed.
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