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What is the mole fraction of solute and the molal concentration for an aqueous solution that is 16.0% NaOH by mass?
The patient has a deficiency of argininosuccinate lyase and has very high concentrations of blood glutamine and ammonium ion.
A colored substance Z has an absorption maximum at 350 nm. A solution containing 2 mg of Z per liter had an absorbance of 0.850 using a 1 cm cell. The formula weight of Z is 148.
Write a net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium hydroxide.
mgnh4po4.6h2o loses h2o stepwise as it is heated. between 40c and 60 the monohydrate is formed and above 100 celcius
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution.
calculate (Triangle H degree R) for the following reaction- H2S(g) + (3/2)O2(g) ---> SO2(g) + H2O(g)
a) If the initial sample is 8.50 g, what mass of the original iridium-192 remains after 130 days? b) Estimate the half-life of the radioisotope. c) How many days would it take for one-fourth of the sample to decay?
Give that 41.05mL of 0.551 M NaOH are needed to react completely with 5.343 g, sand-contaminated sample of benzoic acid (C6H5OOOH, a monoprotic acid,) answer the follwing questions.
a sample of an ethanol-water solution has a volume of 54.2 cm3 and a mass of 49.6g. what is the percentage of ethanol in the solution?
what is the molarity of the oh- ions in 0.040 m barium hydroxide baoh2? i know the answer is .08m. the barium hydroxide
a gaseous reaction occurs at a constant pressure of 35.0 atm and releases 65.0 kj of heat. before the reaction the
dehydration happens when there is less water taken into the body than leaves the body.nbspabout 75 of the average adult
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