A sample of calcium fluoride was decomposed into its constituent elements and produced 0.294 g of fluorine. How many g of calcium were formed? HINT: Write balanced equation for: calcium fluoride --> calcium metal + fluorine gas. MW  calcium  40.08 g/mol   MW fluorine  19 g/mol Calcium ion   Ca +2     Fluoride ion    F-1

Q: For the reaction 3 КОН + Н, РО, → K,PO, + 3 H,0 how many grams of phosphoric acid, H3PO4, are needed…

A: Consider the molar masses of reactant and product species as; Molecular mass of KOH = 56.10 g/mol…

Q: The radius of an Al atom is 0.143 nm. How many Al atoms would have to be laid side-by-side to give a…

A: We know that,    1 meter = 100 Cm  1 nanometer = 10^-9 meter  1 inch = 2.54 Cm

Q: Calculate the theoretical yield and the percent yield for the reaction of aluminum and ozone…

A: Given - 2Al + O3 -> Al2O3 Weight of aluminium=10.00g Weight of O3= 19.00g Molar mass of aluminium…

Q: 7. Calculate the number of grams of CO2 that are produced by heating 116.4 grams of magnesium…

A: 60.72 gram of CO2 is produced from 116.4 gram of MgCO3.

Q: Magnesium will burn in air to form both Mg;N2 and MgO. What mass of each product would be found if…

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Q: During the production of ammonia, hydrogen is produced from the steam reforming of methane. In the…

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Q: mass

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Q: Combustion of hydrocarbons such as nonane (C,H20) produces carbon dioxide, a "greenhouse gas."…

A: When a hydrocarbon reacts with oxygen then, it will form carbon dioxide and water and liberate huge…

Q: How many grams of Al2O3 can be produced from 9.5 g Al?

A: Given, Mass of Al = 9.5g. The reaction of Al2O3 formation from Al is given as follows:

Q: how many moles of alum will be produced if a student reacts 0.25 moles of aluminum with 0.35 moles…

A: Given: Moles of Al = 0.25 mol. Moles of KOH = 0.35 mol. And moles of H2SO4 = 0.76 mol.