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A) An HBR acid solution has a density of 1.25 g/ml the acid solution is 20% Explain what is the molarity and what is the molality?B) Define what is the normal concentration of 3.2M solution LiI?
22.3 g of a substance x dissolves in enough water to make 0.507 l of a 0.779 m solution. calculate the molar mass of x
assume water upwelling to the surface the equation is ch230ch2o76nh317h3po4 nbsphas a total carbon concentration 2300
How many ml of 0.122 M MnO4- are required to react with an excess of C2O4^2- in order to produce 75.25 ml of carbon dioxide gas measured at 30.0 degrees C and 715 torr? MnO4- (aq) + C2O4^2- (aq) -------> MnO2 (s) + CO2 (g) Basic solution
Both colas are equally carbonated. You are able to drink 1 L of cola, but your friend can drink only about half a liter. You each close the bottles and place them in the refrigerator. The next day when you each get the colas, whose will be more ca..
Why does low molecular weight alcohols tend to be more soluble in water than high molecular weight alcohols
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 C The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively.
a flask contains 0.180 mol of liquid bromine br2. determine the number of bromine molecules present in the
Hydrocyanic acid is a weak acid with Ka = 4.9 x 10-10. What is the pH of a 0.4480 M hydrocyanic solution?
what is the system that is buffered? what is the ph of the system? what compounds are responsible for the buffered
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.60 M B(aq) with 0.60 M HCl(aq).
Diagram the most accurate procedure so you end up with at least 500 uL each of 5 ug/uL, 0.5 ug/uL and 0.05 ug/uL working solutions of BSA.
The minimum energy needed to eject an electron from a sodium atom is 4.41 * 10^-19 J What is the maximum wavelength of light, in nanometers, that will show a photoelectric effect with sodium
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