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Explain why 0.10 M BaCl2 has a higher osmotic pressure that 0.10 M glucose and explain why molarity and molality are nearly the same in dilute solutions.
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What are the benefits of measuring the absorbance at the maximum absorbance wavelength? If light has a wavelength of 756 nm, what is the wavelength in centimeters? What is the wavelength in inches?
A chemist must prepare 450. mL of 130. mM aqueous aluminum sulfate (Al2(SO4)3) working solution. He'll by pouring out some 0.452 mol/L aqueous aluminum sulfate stock solution into a graduated cylinder and diluting it wit ...
Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration? Why can we ignored in the calculation of the concentration of NaOH?
What is the density in g/mL of a ball that has a mass of 22.1 ounces and a diameter of 2.04 inches? Will it float if placed in a bucket of water? The answer is "no." Please can you help me Provide the calculations to pro ...
Match the reaction provided on the left with the correct reaction classification/type on the right [NOTE the reaction equations are not balanced] . Reaction classification/types can be used more than once or not at al ...
How many water molecules are associated with a single salt molecule in a hexahydrate?
An aqueous solution has a normal boiling point of 102.0°C. What is the freezing point of this solution? For water K b is 0.51°C/ m and K f = 1.86°C/ m.
Question: What is the pH of the solution that results from mixing 10.00ml of 0.050 M perchloric acid with 30.00ml of 0.040 M barium hydroxide
What would be the effect on our body chemistry if large numbers of enzymes were to become malformed and how do they become malformed?
An inorganic chemist studying the reactions of phosphorus halidesmixes 0.1050 mol of PCl5with 0.0420 mol of Cl2 and0.0420 mol of PCl3 in a0.5000 L flask at 250°C. PCl5(g) reversible reaction arrowPCl3(g) + Cl2(g)Kc = 4.2 ...
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