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If a 100.00 g sucrose solution has a boiling point of 101.5 Celsius degrees, how many moles of sucrose are in the solution? How many grams?
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
A penny with a scored edge allows the HCl to react with the internal zinc metal, leaving a shell of unreacted copper. How many moles of hydrogen gas are formed by reacting a penny with excess HCl?
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
A gas container with a fixed volume has a pressure of p atm. Gas is then added to the container so that the number of gas particles is the container doubles. What happens inside the container
How many mL of 5.0 M NaOH can be added before its buffering capacity is exhausted?
Write a balanced equation for the reaction that occurs when hydrogen sulfate ion behaves as a Brønsted-Lowry acid in water.
Calculate the pH of a solution resulting from the titration of 50mL of 0.04M HBr with 25 mL of 0.107M KOH. Give your answer to two decimal places
Name the chemical family of elements that is absent from Mendeleev's table. 2) Which 4 elements were missing from mendeleev's periodic table? atomic masses: 45, 68, 70, 180
5.00 grams of magnesium bromide are dissolved in two liters of water. What is the total number of moles of ions in the resulting solution
A hot air balloon is filled with air to a volume of 4.00x10^3 meters cubed at 745 degrees celcius. the air in the ablloon is then heated to 62 degrees celcius, causing the balloon to expand to a volume of 4.20x10^3 meters cubed.
An acid solution is 0.100M in HCl and 0.210 M in H2SO4. What volume of a 0.160 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid
A concentrated solution of compound A in the same solvent was diluted from an initial volume of 2.00 ml to a final volume of 25.00 mL and then had an absorbance of 0.733. What is the concentration of A in the concentrated solution
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