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Question- If you separated the supernatant from part a) above and treated this supernatant with 3.0 M HCl would a precipitate of PbCl2 be observed? Rationalize your answer mathematically.
Explain each and every step in detail I need proficient help in the above problems
Calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of HCl results in the production of carbon dioxide then find out the percent of calcium carbonate in the original mixture?
one of the standard solution had an abnormally low absorbance reading, causing a less positive slope for the data plot. (a) will the equilibrium concentration of FeNCS^2+
Atoms of an unknown element have the following masses and percent abundance: 90.92% of the atoms have a mass of 19.988 u, 0.26% of the atoms have a mass of 20.983 u, and 8.82% of atoms have a mass of 21.978 u.
During a titration, the following data were collected. A 25 mL portion of a solution of an unknown monoprotic acid was titrated with 1.0 M NaOH(aq).
containing granite basins tend to become acidified by acid rain more readily than lakes lying in calcium carbonate, CaCO3, limestone basins. Explain why?
Ether also an alkenes are formed as by-products in this reaction. Depict the structures of these by-products as well as give mechanisms for their formation.
a cylindrical glass tube 15.0 cm in length is filled with ethanol. the mass of ethanol needed to fill the tube is found
Identify each of the following substances as ionic, polar covalent, or nonpolar covalent. Also predict its solubility in water. 1. Calcium chloride (CaCl2) 2. Pentane (C5H12) 3.Methyl alcohol (CH3OH)
A person suffering from hyponatremia has a sodium ion concentration in the blood of 0.112 M and a total blood volume of 4.8 L. What mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration
Calculate the equilibrium concentrations of H3O, acetate ion, and acetic acid in a .20-M aqueous solution of acetic acid, CH3COOH.
500 ml solution of benzoic acid (ka=6.6e-5) has a ph of 2.88. What is the molarity of benzoic acid
1) Which of these electron configurations has the 4F term symbol for its ground state? p3 d3 d4 f2 f3
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