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Find the pH and [SO4^(2-)] of a 0.0075 M sulfuric acid solution.Find the pH of 0.050 M solution of H2CO3
How many grams of water are formed when 46.2 g of hydrogen are consumed in an excess of oxygen?
The chemical reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) followed by an ionic equation then a net ionic equation.
Calculate the pH of the solution when 0.1 M sodium hydroxide (NaOH) is titrated with a 25.0 mL hydrochloric acid (HCl) at the following stages of the titration.
Why do firefighters recommend the use of a deluging volume of water when extinguishing an oxidizer-supported fire?
2.095 grams of sodium bicarbonate was used in the reaction and the experimental yield for sodium sulfate was .995 grams.
The H+ in the numerator in includes both the H+ that comes from the ionization of the HC2H3O2 and from the ionization of the HCl.
The separation of mixtures into their constituent components defines an entire sub-field of chemistry referred to as separation science.
A student mixes 3.0 mL of 0.20 M NH3 (aq) with 70.0 mL of 0.30 M NH4CL(aq). Find H+ in the solution Kb = 1.8 X10^-5.
On your visit to the field, what type of injury symptoms would you expect to find if glyphosate is the cause of the problem?
Bromine is a reddish-brown liquid with a relatively low boiling point. What is the density (g/mL) of bromine if 861 mL has a mass of 2686 g?
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO_2. Dissolved CO_2 satisfies the equilibrium equation.
Find [H+] in a solution prepared by dissolving 1.50 g of Ca(OH)2 in 600 mL of water and diluting the solution to a final volume of 800 mL.
The Ka for acetic acid, CH3COOH, is 1.8x10^-5. Calculate the [H+] of a 0.20 M solution of acetic acid in water.
The epoxyserinones represent some of the first compounds discovered from fungi cultured from deep-ocean sediment collections.
Consider a system containing the diprotic acid H2CO3 and its conjugates. The Kb2 expression relates to which of the following reactions:
Would the PH of 0.01mol/dm3 hydrochloric acid solution be the same as that of 0.01mol/dm3 tetraoxosulphate (VI) acid solution?
If you breathe H2O into a straw the H2O becomes more acidic. How is this represented by an equation?
For 500 ml of solution of .5M acetic acid at pH 4.6, how many moles of HCl (assume no volume change) would have to be added to get the salt to acid ratio as 1/8
Recognize the effect common ions exert on acid ionization and pH, and mechanisms by which solutions are buffered by ions.
Salicylic acid, used in the manufacture of aspirin, contains only the elements carbon, hydrogen and oxygen.
What will you mix using the above stock solutions to make your buffer? Before you begin any calculations, explain your strategy and any assumptions.
What do we know about DNA damage caused by nuclear radiation (the Hiroshima and Nagasaki atomic bombs)?
Calculate the work done when 50 g of iron dissolves in hydrochloric acid in (a) a closed vessel and (b) an open beaker.