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What volume of 0.150M HClO4 solution is needed to neutralize 54.00mL of 8.80×10^-2 M NaOH? What volume of 0.120M HCl is needed to neutralize 2.78g of Mg(OH)2? If 25.0 mL AgNO3 of is needed to precipitate all the Cl- ions in a 0.785 mg sample of KCl (forming AgCl), what is the molarity of the AgNO3 solution? If 45.5mL of 0.118M HCl solution is needed to neutralize a solution of KOH, how many grams of KOH must be present in the solution?
what kind of inter-molecular interactions would likely dominate? explain your reasoning
a gas has a volume of 95 mL at a pressure of 930 torr. what volume will the gas occupy if the pressure is increased to 970 torr?
The resulting solution is titrated to a starch endpoint with 34.81 mL of the thiosulfate solution. Calculate the concentration of the thiosulfate solution.
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction
Calculate the pH at the equivalence point in the titration of 25.00 mL of 0.120 M chloropropanoic acid (Ka = 7.8 x 10-5)
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
NMR of D exhibits resonance at -4 ppm. - On heating D, a flammable gas and A are formed. - Reaction of C with CH3I affords white solid E whose proton NMR shows a single resonance around 0.2 ppm. Identify A-E.
keisha wants to measure how the temperature of a gas affects its volume. explain which variable she should change which
Based on the force vs atomic spacing and energy vs atomic distance curves explain why some materials have high strength and high melting temperatures
Analysis of an unknown solution produces absorbance values of: 0.45 @ lambda max for B 0.75 @ lambda max for A What is the molar concentration of the unknown
Oxalic acid dehydrate, H2C2O4. 2H2O (formula weight = 126.1 g/mol) is sometimes used to standardize NaOH solutions. How many grams of this acid will be required to titrate 45.0 mL of 0.18 M NaOH solution
What is the total pressure in mmHg of the mixture after it is placed in a container 1/2 the volume of the original container?
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