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The acidic constituent in vinegar is acetic acid. A 10.0-mL sample of a certain vinegar contains 500. mg of acetic acid. What is this mass of acetic acid expressed in micrograms?
In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
What is the estimated mass of the osmotic pressure of a polymer dissolved in benzene to give 200 mL of solution is 1.50 kPa at 25 degrees C.
The rate constant for a certain reaction is k = 1.50×10?3 s^-1 . If the initial reactant concentration was 0.650M , what will the concentration be after 13.0 minutes?
Chemistry Questions on Calculate P H
How many kilograms of acetic acid needs to dissolve 94 grams of potassium chloride if the freezing point changed 19.6 degrees celcius?
Determine the expression for the rate of reaction with respect to each of the reactants and products
What is the molecular formula for the alkane with 39 carbon atoms? What is the molecular formula for the cycloalkane with 38 carbon atoms?
A 397 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 639 mmHg. Calculate the moles of Ar present
A 350 mL air sample collected at 35 degrees C has a pressure of 550. mmHg. What pressure will the air exert if it is allowed to expand to 425 mL at 57 degrees C?
How many silver atoms can be produced if 0.00350g of Cu are reacted with excess AgNO3, according to the equation :Cu + 2AgNO3 yields 2Ag + Cu(NO3)2
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 °C. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 °C.
Balance the equation and answer in terms of moles.Chlorine gas can be produced commercially by passing an electric current through a concentrated solution of sodium chloride (brine).
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