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The mineral is pyroxene.1. recalculate the analysis into chemical formula.The formula should show the atoms of each element in a formula that has 6 oxygen atoms.A) start with the column showing the weight percent elements. Deal with AL-2O3, Na2O, K2O, and Fe2O3 such that your oxide factor converts the oxide into a single element.Ignore the water. Calculate the w% oxygen (total-weight% of the other elements) and add oxygen to the list of w% elements. In the next column calculate the atomic proportions. Divide the element w%s by elemental atomic weights.Remember to include oxygen.Calculate the multiplication factor needed to convert the proportion of oxygen to 6 atoms. In the next column multiply the atom. proportions of the elements by this factor.This gives the atomic proportion the elements relative to 6 atoms of O. Write out the structural formula.
Using the reactions below, write out the chemical expression for the fraction of all species that would be [Sn2+] (note this form does not need to be solved for K values, just the compounds themselves).
calculate the ph at each point indicated when 100 ml of .100 m hf is titrated with .200 m koh a before addition of koh
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
5.00 ml of a water sample was titrated for hardness with 4.15ml of 0.0200m edta. write an equation for the reaction and
the density of benzene at 15 degrees C is 0.8787g/ml.calculate the mass of 0.1550L of benzene at this temp.
A gas is collected over water at a certain temperature. The total pressure is 762 torr. The vapor pressure of water at this temperature is 17 torr.
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide. The solutions were labeled 1, 2, and 3 respectively
An experiment produces 15.0 grams of hydrogen for every 71.0 grams of oxygen used. How many grams of oxygen will you need to produce 6.0 g of hydrogen
How many grams of isopropyl alcohol, C3H7OH, should be added to 1.0 L of water to give a solution that will not freeze above -16°C
liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . suppose 7.8 g of
When 64.5 g of HCl are allowed to react with 17.6 g of O2, 50.4 g of Cl2 are collected. Determine the limiting reactant, theoretical yield of Cl2 and percent yield for the reaction.
0431 moles of sucrose (a sugar with a MW of 342 g/mol) are dissolved in 400.0 g of water. The solution density is 1.013 g/mL and you can assume that the density of pure water is 1.00 g/mL. What is the molality of this solution
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