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A 10.0 mL sample of calcium hydroxide solution required 26.85 mL of 0.225 M hydrochloric acid for neutralization. Calculate the molar concentration of the base.
How many molecules of carbon dioxide are produced when 121 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
What percent error results from the assumption that the density of water is 1.000 g/ml at 20 C
How many kilojoules of heat is required to completely covert 70.0 grams of water at 66.0° C to steam at 100°C?
What is the molarity of the RbOH solution?
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
sketch the qualitative molecular orbital diagram for the complexes.
Calculate the pH of the 0.20 M NH/0.26 M NHCl buffer. What is the pH after the addition of 20.0 mL of 0.050 M NaOH to 90.0 mL of the buffer solution? The Kb of ammonia is 1.8 x 10-5.
Hydrazine, ammonia, and hydrogen azide all contain only nitrogen and hydrogen. The mass of hydrogen that combines with 1.00g of nitrogen for each compound is .144, .216, and .240, respectively.
Determine How many moles each of Na+ and Cl- are in 0.800 L A physiological saline solution contains 172mEq/ L each of Na+ and Cl-of the saline solution?
Describe an electrochemical cell tthat would have the following net equation, by answering the following questions.
Can someone please help me I need to A. Write the complete equation for each reaction that produced a precipitate
This solution was back-titrated with a 0.0370 M Ga3 solution until all the EDTA reacted, requiring 11.0 mL of the Ga3 solution. What was the original concentration of the V3 solution?
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