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When 8.0 g of magnesium was reacted with excess dilute sulphuric acid, 20 g of magnesium sulphate was obtained. What is the percentage yield of the magnesium sulphate?
Write a balanced equation for the diazonium salt 1-naphthol and aminobenzenesulfonic acid (para structure). Draw a possible structure
what mass of cucl2 is contained in 75.85 g of a 22.4% by mass solution of cucl2 in water
When 5.88 g of CaO (s) is completely dissolved by HBr (aq), how many grams of calcium bromide are formed in solution
The mass spectrum of a compound that contains two bromine atoms gives isotope peaks with relative intensities of 1:2:1 for the M, M+2 and M+4 peaks, respectively. Explain why.
Hello everyone, I was wondering if someone could assist me in this problem. The problems says "We have 500 mL of a solution with Ba^(2+)=0.10M. How many grams of LiF must be added to begin precipitation of BaF2
what is the free energy change (DG) when protons are pumped across the membrane from the side of the membrane with low concentration to the side with high proton concenration at body temperature (37C)? The membrane potential is 0.06. Report your a..
Describe two types of regulation of the enzyme glutamine synthetase and explain why the regulation
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a Styrofoam cup the initial temperature pf the cold water was 21.00 degrees Celsius
A solution is prepared by dissolving 14.7 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 56.00 mL of water.
What is the boiling point of a solution produced by adding 510g of cane sugar (molar mass 342.3g/mol ) to 2.1kg of water. For each mole of nonvolatile solute, the boiling point of 1kg of water is raised 0.51 degrees celsius.
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
For restriction digestion, how would you dilute the 10X buffer so that it was at the correct concentration (1X) in the reaction solution
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