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O2 make up of 46.7 percent by mass of Earth's crust. if a sample of Earth's crust has a mass of 325 grams then Determine how many grams of Oxygen are present?
An expandable vessel has 0.864 grams of O2 gas At 4.00 liters volume . if you require a total of 1.36 grams of O2 gas in the vessel then determine how many liters of O2 gas should be mixed at constant temperature and pressure?
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
determine How many formula units(formula un) of sodium iodide(NaI) are present in 9.54 grams of this compound and also calculate how many gms of sodium iodide are present in 6.07E+21 formula units of this compound.
To determine the number of molecules present in air using the ideal gas law and Avogadro's number - how many molecules of each type of gas are present in 1.0 L of air at STP?
Determine the rate constant also explain how many mg will remain after thirty nine days - A radiation biologist studies the decomposition rate of a certain substance and obtains the given data as
Compute the mass of Trisodium phosphate required to remove all Ca^2+ ions from 2.50 Litres of the H 2 O sample?
Compute the work done when 55.0 grams of tin mixes in excess acid at the pressure of 1.00 atm and at a temperature of 24°C.
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
Determine the total number of atoms in this chemical formula and calculate the molar mass of the solute and how many moles of solute are in the solution?
Determine the limiting reactant -reaction mixture initially contains no products
Write the structures of the saytzeff elimination
The _______ of a titration occurs when the indicator changes color.
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
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