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Question- Write the ion-product expression at equilibrium for each compound: (a) calcium sulfate. (b) Chromium (III) carbonate (c) magnesium hydroxide (d) arsenic sulfide
Please carry out what you can and illustrate your work so I can follow. Thanks
A 1.00-g solid sample containing a mixture of NaCl and H3C6H5O7, a triprotic acid, is dissolved in 15 ml of water. Titration of the acid solution requires 25.40 mL of 0.1598 M NaOH solution to reach the endpoint.
what is the total volume of gases produced by the combustion of 500g of butane. assume 1 atm, temp 28 degrees C and that water is produced as a gas
Identifying dipolar ions, There is a question in my textbook that reads P-amino acid is not a dipolar ion, whereas glycine (aminoacetic acid) is not a dipolar ion- how do you account for this?
you want to know the detergent composition of an extract of a shampoo. you spot the sample on a tlc plate and develop
if a 200mg piece of gold density 19.32gcm3 is hammered into a sheet measuring 2.2 x 1.0 ft what is the average
An unknown compound was decomposed and found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen, and 2.05 mol carbon. What is the empirical formula of the unknown compound?
What mass of this substance must evaporate in order to freeze 170 of water initially at 23? (The heat of fusion of water is 334 the specific heat of water is 4.18 .
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species
Explain why electrically neutral objects can become electrically charged even though charge cannot be created or destroyed.
What is the hydronium ion concentration of a solution with an hydroxyl ion concentration of 1.8 x 10^-10 M? D) What is the hydronium ion concentration of a solution with an hydronium ion concentration of 5.13 x 10 ^-9 M?
Compute the pH in the titration of 25.0mL of 0.200 M pyridine, C5H5N(aq) after addition of 37.0mL of 0.200 M HBr.
the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula
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