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A 10.0 lb bag of 20:10:5 fertilizer is 20.0% nitrogen by weight.
a) Calculate how many grams of nitrogen are contained in the bag. (I got 907 grams of Nitrogen)
b) If the bag of fertilizer covers 8.6 x 10^4 ft^2, calculate the number of grams of nitrogen per square foot of coverage.
Mercaptoacetic acid and NH3 were introduced, production of the complex with the former resulted in the release of an equivalent amount of EDTA, which required a 22.85-mL titration with 0.07238 M Mg2+. Calculate the percent Cu and Ni in the alloy.
While an excess of Al2O3 is added to 174mL of 2.70M H2SO4, 45.2g Al2 (SO4)3 are isolated? Explain what is the % yield. Define how many moles of H2SO4 are needed if 100.0g of Al2(SO)3 are to be produced
The acid-dissociation constant for chlorous acid HClO2 is 1.1X10^-2. Calculate the concentrations of H3O+, ClO2-, and HClO2 at equilibrium, if the initial concentration of HClO2 is 0.0125M
Write a 3 page paper (including separate title and reference pages). The paper must be at least 1300 words. Identify the factors that could have caused or lead (Pathogenesis) to the particular disease or condition, the signs and symptoms, and other a..
After reaction was complete, the pressure of the gas had dropped to 348. torr. Explain how many moles of CO2 were in the original mixture. Assume no change in volume or temperature.
Explain which of the following incorrectly pairs the molecule with the set of hybrid orbitals utilized by the central atom of the molecule
why the no. of electron changes by one or increases by one in
For the lowest-energy state of atoms with the following configurations, give a) the spin multiplicity, b) the orbital angular momentum, c) the value of the total angular momentum, and d) the term symbols
How Much Chlorine Must be Added to a Swimming Pool? A solution used to chlorinate a home swimming pool contains 7% chlorine by mass. An ideal chlorine level for the pool is one part per million (think of 1 ppm as being 1 g chlorine per million gra..
What is the value of q when 7.12g of water vaporizes at 373oK? The enthalpy of condensation of water at 373oK is -40.7KJ/mol.
consider the by products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCl a. provide structures for these products
How many grams of sucrose (C12H22O11, 342.3 g/mol) would be needed to make 2.5 L of a solution with an osmotic pressure of 14 atm at 25°C? (R = 0.0821 L×atm/K×mol) A) 0.57 g B) 6.8 g C) 2.0 × 102 g D) 4.9 × 102 g E) 5.8 × 103 g
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