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A sample of concetrated nitric acid has density of 1.41g/ml and contains 70% HNO3, by mass.
Given the following table of Ksp values, determine which compound listed has the smallest solubility compound Ksp
What gas is produced when you add baking soda to soft drinks like: 7Up, Sprite, Orange, Dr. Pepper and Coke?
Several years ago people who were taking supplements of tryptophan (an essential amino acid that we must take in our food for normal growth.
A theoretical yield of 1200. kg was calculated for an industrial batch process, but 1170. kg was actually recovered. What is the percent yield?
How many milliliters of 3.00 M hydrochloric acid would be needed to react completely with a milk of magnesia tablet that contains 310 mg of Mg(OH)2?
Why is it necessary to add twice as much 6 M HCl as 6 M NaOH to the mixture in order to test the solubility of salcylic acid in acid?
Given the Ka value of acetic acid is 1.8e-5, find the pH of a 0.25M acetic acid solution. Also find its Kb value.
When using the titration technique explain why the beakers that contain the acid solutions must be dry before the acid is added, but the volumetric flask.
A 10.00-mL sample of a solution containing the weak acid, formic acid, was placed in a 25-mL volumetric flask and diluted to the mark with water.
Tooth enamel consists of hydroxyapatite, Ca5(PO4)3OH (Ksp = 6.8×10-37). Fluoride ion added to drinking water reacts w/Ca5(PO4)3OH
Write the net ionic equation for the following reactions show physical states for both reactants and products.
What volume of 16 M sulfuric acid must be used to prepare 1.5 L of a 0.1 M sulfuric acid?
At what temp. will a fixed amount of gas with a volume of 175 L at 15C and 760 mmHg occupy a volume of 198L at a pressure of 640 mmHg?
How many moles of citric acid are in 1.90 qts of lemon juice *d=1.09 g/ml* that is 6.62% citric acid by mass?
Solid aluminum hydroxide Al(OH)3 (s) reacts with aqueous sulfuric acid H2SO4 (aq) to produce aluminum sulfate Al2(SO4)3 (aq) and water.
What is the result of scaling the # moles of KOH used in the given procedure by this factor? What volume of 1.4M KOH contains this # moles?
Pennies made after 1982 contain 97% zinc by mass. A student wants to prove this by filing the copper outside the penny until he sees zinc.
One of the most commonly used white pigments in paint is a compound of titanium and oxygen that contains 59.9% Ti by mass.
Why is it that we can say that ozone in the stratosphere is beneficial to mankind, but ozone at the surface of the earth is harmful to mankind?
It also appears that not all of the alum (aluminum sulfate) dissolves in water and therefore limits the max. creation of aluminum hydroxide. Why?
How many grams/liter of sulfuric acid in this case would be required to change the pH of the solution from 3.8 to 2.8?
Methane and Oxygen react to form carbon dioxide and water. What mass of water is formed if 3.2g of Methane reacts with 12.8g of oxygen.
Calculate the hydronium ion ([H30+)] concentration of a 0.25 M solution of benzoic acid, HC7H5O2, Ka= 6.46x10^(-5).
If the hydrogen ion concentration of a 0.100 M HC3H5O3 solution is 0.0038 M, what is the ionization constant for lactic acid?