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Question 1.
How much 0.4N acid is needed to neutralize 100 mL of 0.9N base?
Question 2.
How much water would be needed to make 350 mL of a 1.5% NaCl from 10%?
A total of 24.33 ml of 0.00245 M EDTA was used to titrate 100.00ml of a water sample. An AA analysis of the sample determined that the Ca2+ concentration is 9.32 mg/L.
Calculate the number of molesof each reactant. Determine the limiting reactant in each of the following three reactions. The limiting reactant that you determine here will be used directly in this experiment.
The statements in the following multiple choices deal with the concept of equilibrium. Choose the statement which is true. a) At equilibrium the speed of a reaction equals its rate constant.
Problem- a) How many Cl atoms are in 175 mL of 3.5 M CaCl2. b) What is the concentration (M) of Cl in the solution
Using curved arrows to symbolize electrons, write a complete reaction mechanism for the bromination of acetanilide to create p-bromoacetanilide.
Hydrogen gas (H2) and oxygen gas (O2) are the products when an aqueous acidic solution is electrolyzed; each mol of water gives one mol of H2 and half a mol of O2.
Explain Nikko Tinbergen's four levels of analysis. Explain the process of natural selection and why it is considered a "blind" process.
Benzene is evaporated into a room at 1 gram per minute the room is 6 by 6 by 3 meters and has a ventialtion rate of 10 meters cubed per minute what is the steady state concentration of benzene in the room
In biological and medical applications, it is often necessary to study the autoionization of water at 37 degrees centigrade instead of 25 degrees centigrade. given that Kw for water is 2.5 X 10^-14 at 37 degrees centigrade, calculate the pH of pur..
At what temperature is the molar volume of an ideal gas equal to 22.4L, if the pressure of the gas is 2.5 atm
Explain a volume of 18.0 L contains a mixture of 0.250 mole N2, 0.250 mole O2, as well as an unknown quantity of He. The temperature of the mixture is 0 Celsius, as well as the total pressure is 1.00 atm. Explain how many grams of helium are prese..
what problem might there be if you attempted to perform the kinetic experiment at -20 degrees celsius
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