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A 50 ml volume of HCl solution and 0.5 M concentration was added to a sample of 5.5 g of magnesia milk. This solution was titrated with 0.25 M NaOH. If 39.6 ml of NaOH were required to reach the endpoint, find the mass content of Mg(OH)2 in the magnesia milk.
Write out a detailed procedure for determining the enthalpy of reaction between citric acid (H3Cit) and sodium hydroxide (NaOH). Note that the neutralization reaction is
what is the volume of distilled water that is needed to be added to 8g of sodium hydroxide to make it 0.4 mol dm-3
For 1-Chloropropane, draw 3 eclipsed, 2 gauche, and 1 anti conformations. Assume a chloro is the same size as a methyl group.
which of the following describes the qualitative behavior of the maxwell-boltzmann distribution as temperature
A small amount of solid AgBr was added to a 0.0100 M solution of NaBr, causing it to become saturated with AgBr. A silver electrode was placed in the solution along with a reference electrode, whose electrode potential was 0.246 V
given that mercury has a delta hvap of 59.11 kjmol and its normal boiling point is 356.7 degrees c calculate the vapor
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
Choose the correct Lewis electron-dot symbols that depict the monatomic ions formed from each of the reactants, and predict the formula of the compound the ions produce.
box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
How many moles of magnesium and moles of chlorine ions are present in 123.4 mL of a .345 M solution of magnesium chloride
Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm3. Calculate the edge length of the unit cell, in pm.
At a temperature of 273.15 K and pressure 1 atm many gases have approximate volume of 22.4 L. What is speed of He Atoms
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