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Sulfuric acid (H2SO4) combines with sodium hydroxide(NaOH) according to the given equation as H2SO4 + NaOH= Na2SO4 + H2O Balance the equation for this reaction and determine what mass of sulphuric acid would be needed to mix with 0.75 mol of sodium hydroxide(NaOH)?
10.0 moles of NH3 and 10.0 moles of H2 are introduced into a 2.00 L flask. At equilibrium, 3.0 moles of NH3 gas remain. Calculate Kc for this reaction.
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
What volume of 0.1 M KMnO4 would be required to titrate 0.56 g of K2[Cu(C2O4)2] • 2H2O?
When 0.060 mol of propionic acid, C2H5CO2H, is dissolved in 500 ml of water, the equilibrium concentration of H3O+ ions is measured to be 2.41 x 10-3 M. What is Ka for this acid?
What is the stoichiometric coefficient for oxygen when the following reaction is balanced using the smallest whole number coefficients?
why is a stemless funnel recommended for filtration of the hot saturated solution? 2. in your buchner funnel, can you use filter paper that is to big for the funnel and curls up around the edges? why?
Define the Beer-Lambert Relationship in detail.How does this relationship allow one to quantify an unknown?
Approximately how much water will you need to use to prepare the hot saturated? Upon cooling in an ice-bath and subsequent filtration, how much pure phthalic acid would you expect to recover? show calculations
You will start with 500 mg of one of isoamyl acloho to make isoamyl acetate. While the alcohols are liquids, we will measure them by mass directly on the balance, not by volume (i.e. the density of the alcohol will not be used; pretend the alcohol..
Which of the following are typically TRUE of an oxidizing agent? 1. It causes oxidation. 2. It gains electron(s). 3. It is the reduced substance. 4. all 5. none
what will be the final temperature of the solution in the calorimeter? The heat of solution,delta H solution, ofCaCl2of is -82.8kj/mole.
On a quantitatively labeled number line, draw where the radial nodes of the 1s, 2s, and 3s hydrogen wavefunctions sit.
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