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Sodium carbonate is a reagent that may be utilized to standardize acids. In such standardization it was found that a 0.498-g sample of sodium carbonate needed 23.5mL of a sulfuric acid solution to reach the end point for the reaction.
Na2CO3 (aq) + H2SO4 (aq) ---> H2O (l) + CO2 (g) + Na2SO4 (aq)
Explain what is the molarity of the H2SO4?
which of the following solutes is likely to be most soluble in water
a mixture of cds and cos is present in a sample the amount of cds was determined by reacting 8.767 grams nbspof the
Write the condensed electron configurations for the following atoms and indicate how many unpaired electrons each has (a)mg (b)ge (c)br (d)v (e)y (f)lu
if you had a mixture of three compounds phenacetin acetaminophen and aspirin a tlc plate showed three spots of rf 0.1
A mix contains 0.540 mol He (g) , 0.420 mol Ne (g) , and 0.050 mol Ar (g). Placed in 1 Liter container at 25*C.
How do you calculate the molarity of KMnO4 after it has been titrated by .0505 M (COOH)2? The only information you are given is .0011 mol of KMnO4 and no volume...this is for prelab 6.
a solution is prepared by dissolving 1.98 g of an unknown nonelectrolyte in 21.00 g of cylcohexane tf 6.6 oc and kf
consider 2al 6hcl yields 2alcl3 3h2 the reaction of al with hcl to produce hydrogen gas. this reaction has a yield of
An aqueous solution is 1.00% NaCl by mass. Its density is 1.071 g/mL at 25°C. The observed osmotic pressure of this solution is 7.83 atm at 25°C.
A 4.80 g nugget of pure gold absorbed 276 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C?
When 5.88 g of CaO (s) is completely dissolved by HBr (aq), how many grams of calcium bromide are formed in solution
The pH of 0.750 M sodium hypochlorite, NaClO, is 10.72. What is the pKb for this base?
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