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A white compound dissolves in water to give an acidic solution. Addition of either NaOH or NH3 to this colorless solution produces a flocculent white precipitate that is soluble in acid. If an excess of NaOH is added to a water solution of this compound, a colorless precipitate forms that later dissolves as more NaOH is added. Addition of AgNO3 to a water solution of the compound gives no reaction. The solid shows no reaction with concentrated H2SO4, and addition of a barium chloride solution to a solution of the compound gives a white precipitate that is insoluble in both acid and base.
Identify the compound
Write the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. Write noreaction if no insoluble salt forms
What volume of a 0.750 M solution of hydrochloric acid can be prepared from the HCl produced by the reaction of 25.0 g of NaCl with an excess of sulfuric acid
when 92.0 grams of nonionic compound were dissolved in 985 grams of water the freezing point of the solution was found
Suppose that two equal volumes of 0.2 molar NaCl (aq) solutions are separated by a membrane and that the left -hand compartment of the experimental arrangement contains a polyelectrolyte molecule Na6P at a concentration of 50 g/liter
one mole of a monatomic ideal gas is held at a constant temperature of 300k while the volume is changed reversibly form
Find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of the following. (a) 20.8 mL of 0.0376 M HNO2 (b) 14.8 mL of 0.104 M H2CO3 (two equivalence points so both the first and second volumes and pHs are re..
In each case rank the subsequent compounds in order of rising acid strength, weakest first. Temporarily indicate the chemical principles used to arrive at each answer with a sentence in each case.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.110 M HClO(aq) with 0.110 M KOH(aq).
The amount of nut burned was 0.9905g. How many of these nuts would a 64kg person have to eat to obtain enough energy to bike (racing)for 30min. The amount of bicycling (racing) is 0.127
Calcium crystallizes with a body-centered cubic structure a) how many Ca atoms are contained in each unit cell? b)how many nearest neighbors does each Ca atom posses
A typical vitamin c tablet (containing pure ascorbic acid, H2C6H6O6) weighs 500 mg. one vitamin c tablet is dissolved in enough water to make 200.0 mL of solution. calculate the pH of this solution. Ascorbic acid is a diprotic acid.
a solution is prepared by dissolving 20.0 g ammonium sulfate in enough water to make 100.0 ml of stock solution. a
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