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Suppose you have 0.001 M solution of a dye with pka of7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
The solubility of silver sulfate in water is 0.223% (w/v) at 35°C. Calculate the solubility product of this salt at this temperature
A Buffer solution with a pH reading of 8.50 was prepared by mixing 0.25 mole acid(HA) and 0.05 mole NaOH in 500.0ml DI water.
What are the 8 balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment
Ammonia (NH3) is widely used as a fertilizer and in many household cleaners. How much ammonia is produced when 6.32 mol of hydrogen gas react with an excess of nitrogen gas?Answer in units of mol
How would you use an experimental distillation curve to determine the percent, by volume, composition of an unknown mixture
Cisplatin, an antitumor ingredient, has the formula Pt (NH3)2Cl2. What is the molar mass of cisplatin? Calculate the mass percent of platinum present in cisplantin.
In the ultramicro-boiling point determination, why is the b.p take just as bubble cease from the bell. what is inside these bubbles
Naphthalene is a hydrocarbon that is commonly found in mothballs. Naphthalene is 93.75% carbon by mas. If Naphthalene's molecular formula is twice its empirical formula , What the molar mass
if you have 4 moles of hydrogen gas, how many moles of oxygen gas are needed for complete reaction?
Draw the structures for products from reaction of 1-butanol with each of the following: a. HCl b. HI c. H2SO4
The Ksp of calcium hydroxide, Ca(OH)2, is 5.02 × 10-6. Calculate the solubility of this compound in g/L.
Analysis of a sample of a gaseous compound shows that it contains 85.6% C and 14.4% H by mass. At standard conditions (STP), 120.4 mL of the compound weighs 0.151 g. What is the molecular formula of the compound
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