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A 1000 ml solution contains 5.55 g of CaCl2 and 4.77 g of MgCl2. a) How many milliliters of 0.02 N standard versenate solution would be required in the API titration for total hardness? b) Express the concentrations of Ca2+ and Mg2+ in parts per million
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
Cesium-131 is a short lived radioisotope (t 1/2 = 9.7 days) used to treat prostate cancer. How much therapeutic strength does a cesium-131 source lose over 45.0 days?
Suppose polyethylene molecules in a solution can exist in either a random-coil conformation or in a fully stretched-out conformation. The stretched-out conformation is 2.4 kJ/mol higher in energy than the random-coil conformation.
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
How much heat energy, in kilojoules, is required to convert 47.0 g of ice at -18.0 degrees C to water at 25.0 degrees C ?
for the reaction Mg+2HCl yeilds H2+MgCl2, calculate the percentage yield of magnesium chloride if 100.g of magnesium react with excess hydrochloric acid to yield 330.g of magnesium cholride.
An unknown compound has the empirical formula CH2. A 0.050-mol sample of this compound weighs 4.20 g. What is the molecular formula of this compound?
Starting Materials: Sebacoyl chloride, 1,6-Hexanediamine, Methyl chloroform, Sodium Carbonate monohydrate, Why is it necessary to have two immiscible solvents to make the nylon string?
Aluminum reacts with oxygen to make aluminum oxide. If 5.2 moles of aluminum react, how many moles of aluminum oxide are formed. Show work.
Silver iodide is an extremely insoluble yellow solid. What would you expect to observe when (CH3)3Cl and AgNO3
How many milliliters of 0.200 M NaOH will be required to titrate 14.5 mL of 0.479 M H2SO4?
Consider an ideal gas with a volume of V1. To what volume would you need to compress the gas to double its pressure?
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