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What is the formula of the product

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Cobalt (Co) is element 27 on the periodic table. A sample contains 3.66×1023 atoms of Co. Calculate the amount of Co.

 _____________________mol Co

Valeric acid is an organic acid composed of carbon, hydrogen, and oxygen. Valeric acid has a molar mass of 102.13g/mol and is 58.80% C, 9.87% H, and the remainder is oxygen. What are the empirical and molecular formulas of valeric acid?

You have 19.0 g of oxalic acid, H2C2O4.

What amount is represented by 19.0 g of oxalic acid?

How many molecules of oxalic acid are in 19.0 g?

How many atoms of carbon are in 19.0 g of oxalic acid?

 _________mol H2C2O4

 ___________molecules H2C2O4

____________carbon atoms

Oxides of virtually every element are known. Bromine, for example, forms several oxides when treated with ozone. Suppose you allow 1.350 g of bromine, Br2, to react with ozone and obtain 2.026 g of BrxOy. What is the formula of the product?

Reference no: EM131840652

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