3 g of compound A reacts with 6 g of compound B. A solid is produced in the reaction and some gas is released. The solid has a mass of 2 g. What is the mass of the gas that was released in the reaction?

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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answer; microsoft;

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