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If 22.50 mL of 0.100 M nitric acid is required to neutralize 50.0 mL of Barium hydroxide solution, what is the molar concentration of the barium hydroxide? 2HNO3 + Ba(OH)2 --> Ba(NO3)2 + 2H2O
The solubility of magnesium phosphate at a given temperature is 0.385 g/L. Calculate the Ksp at this temperature.
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
List the letter that corresponds to the reagent from the reagent table you need to carry out the following synthesis in 5 steps or less. Heat may not appear on the reagent table with the reagent
c2h5i alc oh- alc --gt c2h5oh alc i- alcbased on the above chemical reaction the activation energy wasdetermined to
Explain what quantity of excess reactant remains when 4.80 moles of Fe reacts with 3.93 moles of O2. 4Fe + 3O2 Æ 2Fe2O3
A 0.1510 gram sample of hydrocarbon produces 0.5008 gram CO2 and 0.128 gram H2O in combustion analysis. Its molecular weight is found to be 106.
If a patient suffering from a duodenal ulcer displays ahydrochloric acid (36.5 g/mol) concentration of 9.28 x10-3 M in his gastric juice and he produces 2.80 liters of gastric juice per day, explain how much medication(in mL) containing 2.60 g Al(..
Helium gas at constant pressure of 7.4 atm, expands in volume from 21.3 L to 79.2 L. The temperature is held at 278 K. Calculate the work done by the gas (in joules).
Calculate the ratio of HCL molecules in the first excited rotational state to those in the ground state @ 25 C. Assume an equilibrium bond distance of 1.275 angstroms.
What is the total mass of the Earth's atmosphere. How does this compare to the mass of the Earth
Assign an oxidation state to each element in each compound. Express all answers as a signed integer. 1. Na3PO4 2. Hg2S 3. Fe(CN)3 4. NH4Cl
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream. For the addition, 5.00 ?L of a 1000.0 ?g/mL
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