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Problem- Citric acid (C6H8O7) is a triprotic acid found naturally in lemon juice, and it is widely used as a flavoring in beverages. What is the molarity of citric acid in commercially available lemon juice if 17.87 mL of 1.683 M NaOH is required in a titration to neutralize 20.00 mL of the juice? How many grams of citric acid are in 100 mL of the juice?
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A foundry worker throws a hot, freshly cast piece of iron into 10 liters (10 kg) of water to cool off. The initial temperature of the water is 25 degree celcius and the initial temperature of the iron is 100 degree celsius.
Explain what volume (L) of NH3 gas at STP is produced by the complete reaction of 7.5 g of H2O according to the following reaction
A flask of Argon gas is connected to the left arm of a manometer. The Hg level is 76.1cm. The right arm of the manometer is open to the atmosphere and has a Hg level of 63.9cm. The atmospheric pressure of the lab is 0.679 bar. What is the pressure..
What is the oxidation number of Mn before and after the reaction- 5H2AsO3 + 2MnO4- + 6H+ + 2Mn2+ + 5H3AsO4 + 3H2O
Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275Ml of 0.725 M HCl solution reacts with the excess Mg. Mg(s)+ 2HCl(aq)----> MgCl2(aq) + H2(g)
While analyzed by gas chromatography the peak areas for benzene as well as toluene are 6382 and 4793 respectively. Find out how many milligrams of benzene are in the initial 7 ml of gasoline. If someone can give a little insight on how to start thi..
A 20.0 L nickel container was charge with .805 atm of xenon gas and 1.21 atm of flourine gas at 400 C. The xenon and flourinereact to form xenon tetraflouride. what is mass (g) of xenon tetraflouride can be produced assuming 100 % of yield
What mass of O2 is required for the complete combustion of 68.9 g of pentane, C5H12, to CO2 and H2O?
How grams of potassium permanganate are need to decolorize one gram of 2-pentene in basic solution.
a what is the concentration of the atmosphere in molecules per milliliter at stp?b at a height of about 150km the
lakes that have been acidified by acid rain can be neutralized by liming the addition of limestone caco3. how much
Molecular chlorine, Cl2, is a green gas. Sketch a few of the rotational, vibrational, and electronic energy levels of Cl2 on the same diagram to relative scale.
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