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Problem- A certain volume of a 0.50M solution contains 4.6g of a salt. What mass of the salt is present in the same volume of a 2.2M solution?
I don't know how to reach these answers so please show the steps, thank you!
Calculate the energy requird to transform this steam into an ice cube at -20 degree C. Also, graph this phase change, with energy as a function of temperature
calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. assume a total pressure of 1.0
A shelf containing several chemicals (Salicylic acid, 4-(4-Hydroxyphenyl)butan-2-one {a.k.a. Raspberry Ketone} and 4-methylaniline) fell and the vials shattered.
In the left compartment there is nitrogen at 1.0 atm and 25°C; in the right compartment there is oxygen at the same temperature and pressure. Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are..
Outline a procedure for the recrystallization of benzoic acid that contains both a soluble and an insoluble impurity (using water as the solvent).
a metal weighing 50.0g absorbs 220.0 j of heat when its temperature increases by 120.0 degrees celsius. what is the
Now calculate the amount of moles of NaHSO4(s) to be dissolved in the system to lower the pH to 2.40. Include the rxn equations that take place.
how to calculate the volume of 1.5m aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and
compare alkalide ion with the neutral alkali atom.under appropriate conditions alkali metals a can be reduced to yield
Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added
Make one liter of a 0.01 M sodium acetate buffer at pH 4.53.pka of acetic acid is 4.76. Explain how to calculate the amounts needed when not given the accurate amount of products
a 100 ml volume of a 0.100 m weak base pkbnbsp 5.00 was titrated with 1.00 m hclo4. find the ph at the following
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