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Calculate the mass of solid needed to make a 500ml solution that is 0.25m in sulfate anion, using sodium sulfate decahydrate.  I came up with 17.75g.
But now how do I calculate how much H2O to add to 17.75g to get the correct solution?
triethylene glycol and heavy mineral oil are both high boiling, and high molecule solvents. What in their structural properties renders triethylene glycol
The Neumann-Kopp law is a generalized experimental finding that the heat capacity of a substance can be well approximated by the sum of the heat capacities of the constituent elements, weighted by their contribution to the total composition.
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
How many grams of sodium succinate (MW=140 g/mol) and disodium succinate (MW=162 g/mol) must be added to 1L of water to produce a solution with pH=6.0 and a total solute concentration
the solution diluted in half by water ( 1mL of X and 1mL of H2O) has an absorbance at 425 nm of 0.8 and a molar extinction coefficient of 1.5 x 10^3 M^-1 cm^-1. what is the molar concentration of the original solution of X
Concentrated acetic acid is 17.5 M; vinegar is 0.87 M acetic acid. How much concentrated acid do you need to make 24 L of vinegar
Write down a net ionic equation for any reaction that forms a precipitate and discover the anions that make gas upon adding of hydrochloric acid
A minute sample of AlCl3 is analyzed for chlorine. The analysis reveals that there are 24 chloride ions present in the sample. How many aluminum ions must be present in the sample
a buffer solution is formed by combining 50.0 ml of 0.022 m benzoic acid and 20.0 ml of 0.032 m sodium benzoate
the acid-dissociation constant for hypochlorous acid hclo is 3.0 x 10- 8. calculate the concentration of h3o at
Calculate the percent yield of this organic reaction- C7H6O2------->C12H16O2. Molecular weight of C7H6O2 is 122.12 amount used 100g, Molecular weight of C12H16O2 192.25 amount recovered 125.9 g
a 112.2510g irregularly shaped object is placed in a graduated cylinder that contains 25.0 cm cubed of water. What is the solids density if the new water level was 37.5 cm cubed
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