What was the ph of the original hno3 solution
230 mL of an HCl solution with pH of 3.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
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If 10.7 mL of a 0,110 M NaOH is required to reach the first equivalence point of a solution of citric acid, how many mL of NaOH are required to completely neutralize this solution.
Why would it be difficult to determine the point where the limiting reactant changes if 13.0 mL of 1M HCl(aq) were used instead of 10.0mL of 1 M HCl and the mass of Mg was in the range 0.070g-.170g?
Calculate the mass of air in an air-filled tire and the mass of helium in a helium-filled tire. What is the mass difference between the two?
Assume you dissolve 6.73 grams Na2CO3 in enough water to make 250 mL of solution. What is the molarity of the sodium carbonate?
Could your drink serve different purposes for different consumers? Explain.What is the normal physiological response to increased intake of sugars? to increased intake of caffeine?
When H2(g) reacts with C2H4(g) to form C2H6(g), 137 kJ of energy are evolved for each mole of H2(g) that reacts.
When a solution of Cu(II) chloride, CuCl2 , is added to a solution of potassium sulfide, K2S, a black precipitate of copper sulfide, CuS, forms. Write a balanced chemical equation, ionic equation, net ionic equation & spectator ions.
The volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.
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