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1. Calculate the MM of MgNH4PO4 · 6H2O.
2. Assuming 100% theoretical yield, how many grams of P2O5 can be produced from 35.0 grams of PO43-?
3. What is the percentage P2O5 in a name brand plantfood if the starting mass of a sample of plantfood was 200.00 grams and the experimentally determined mass of P2O5 was 30.5 grams?
Write the balanced chemical equation for this acid-base reaction, identifying theconjugate acid/base pairs. If the base-dissociation constant of B is 1 × 10−3, what is the pH at the midpointof the bu?er region. What are the chemical components of t..
Evaluate and contrast the possible results as well as the conclusion that can be drawn from two different experiments involving alpha particles being shot at two different metal foils copper as well as gold both of equal thickness
Problem- Develop a synthesis for converting 2-methylcyclohexanone into 2-[(dimethylamino)methyl]-6-methylcyclohexanone (outline a complete reaction mechanism(s) for this synthesis, and describe an appropriate cleanup process to extract the product..
A mixture of 3.0 g of 1,1-diphenylethylene and 100 mg of sulfuric acid was heated for 2 hours. Upon cooling, 2.2 grams of crystalline 1,1,3,3-tetraphenyl-3-methyl-1-butene precipitated from the mixture. What is the percent yield of the crystalline..
Explain which element is the central atom, define how many bonds does the central atom form, is it polar or non-polar, define what the direction of negativity is
The heat of fusion is 4.6 kJ/mol and the heat of vaporization is 46.0 kJ/mol. Finally, the specific heats of the solid, liquid and gas are, respectively 2.1, 3.2 and 1.8 J/g oC.
When a 18.5 g piece of copper originally at 99.5C is placed in 58.5 g of water at 24.0C, the temperature of the water rises to 26.1C. If the specific heat of water is 4.180 J , calculate the specific heat of copper. can you show work and the anser..
molybdenum forms a substitutional solid solution with tungsten. calculate the concentration in weight percent of
At 1.00 atm pressure, the solubility of pure oxygen in water is 0.00430g O(2)/100.0g H(2)O, and the solubility of pure nitrogen in water is 0.00190g N(2)/100.0g H(2)O.
What is the density of aluminum in g/cm, A small cube of aluminum measures 15.6 mm
Analysis of a Pb(II) Unknown via Standard Addition - determination, the analyte together with Hg(II) is deposited via reduction to its elemental form at the working electrode by controlled potential electrolysis
Calculate the pH of a solution made by mixing 2.0 M HF and 2.0 M HCN. Also calculate the concentration of CN- ion at equilibrium.
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