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A mixture of MgCO3 and CaCO3 was dissolved in HCl (1.64g of a mixture of calcium carbonate and magnesium carbonate was dissolved in 50ml of 0.8 M HCL) The excess of acid needed 16ml of 0.25M Naoh for neutralization. then calculate Calculate the percentage of calcium carbonate and magnesium carbonate?
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
calculate how many mgs of Ca2+ are present in 12.0mL of blood and Determine the percent yield 5.04 grams of H2
Using a solution containing 0.302 grams of an antibiotic has an osmotic pressure of 8.34 mmHg At 23.6°C, 0.500 L. calculate its molecular mass.
The objective is to implement a menu-based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declared to manage bank accounts.
Describe how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order of increasing solubility in water.
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
Explain how hydrodewaxing, hydrocracking and hydroisomeriztion processing take place In base oil refining and also describe how aromatics (low volatile products) are converted to high quality base oil.
Phosphorous acid, is an important compound in industry and agriculture, H3PO3(aq), is a diprotic oxyacid .determine the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq).
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