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3.0 g of H2 react with 29.0 g of O2 to yield H2O. Which is the limiting reactant?

Calculate the number of grams of SO2 which can be prepared by treatment of 100g of Na2SO3 with HCl

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A sample of CaO whose mass was 12g was treated with 46g of water to prepare Ca(OH)2.

A student used a carbon pencil to write his homework. The mass of this was found to be 5mg.

Commercially available HBr solution contains 48% HBr by mass. Find out molarity.

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