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The Ksp of some metal hydroxide, M(OH)3, is 2x10-31 at 25oC. What is the molar solubility of M(OH)3(s) in a solution that is buffered at pH 4.47 at 25oC?
Enter your answer to four decimal places.
aqueous solution in the upper intestinal tract where the pH is 5.83. Calculate the percent of sulfisomidine in the neutral form in the solution of the intestinal tract.
Why do compounds change color when separation by TLC was repeated and dipped in an acid soultion?
Calcium carbonate decomposes with heat to give calcium oxide and carbon dioxide gas. If 2 mols of CaCO3 decompose, how many Liters of CO2 gas are produced at 1 atm and 0 degrees Celsius
Calculate the theoretical yield percentage of a reaction between sodium and water, if 25.0 g of sodium react with excess water and if 15.5 L of gaseous hydrogen are collected at NTP conditions.
a mixture of hydrogen gas of 8.0 mol and oxygen gas of 4.0 mol is placed in a sealed evacuated container made of a
comment on the situation in this case. is the positive charge of hydronium ion on the least electronegativity atom? is this reasonable? is there a choice?
Problem- A 35.0-L vessel at 700 K initially contains HI(g) at a pressure of 6.90 atm; at equilibrium, it is found that the partial pressure of H2(g) is 0.668 atm.
When separating a solid-solid mixture in lab, do the melting points of the two components have to be 30 degrees apart, like with boiling points, to be considered pure, or is it a different range?
what are the hydrolysis by-products? What limits the reaction? What determines whether the hydrolysis reaction proceeds from cellulose to sugar (e.g. glucose) or continues on to convert the sugars to alcohol?
Question- a 25.00ml sample of 0.250 M hydrochloric acid is completely neutralized with 0.125 M sodium hydroxide solution. The ml of the NaOH solution required is
A system undergoes a two-step process. In step 1, it absorbs 50. J of heat at constant volume. In step 2, it releases 5 J of heat at 1.00 atm as it is returned to its original internal energy. Find the change in the volume of the system during the..
Classify each of the following as a binary ionic compound, ternary ionic compound, binary molecular compound, or ternary oxyacid. 1.) Hydrazine, N2H4 2.) Nitrous Acid, HN02(aq) 3.) Cobalt(II) Nitride, Co3N2 4.) Sodium Nitride, NaNO2
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