(4分)现有m g某气体,它由四原子分子构成,它的摩尔质量为M g/mol.则:(1)该气体的物质的量为________mol。(2)该气体中所含的原子总数约为 个。(3)该气体在标准状况下的体积为________L。(4)该气体溶于水后形成V L溶液,其溶液的物质的量浓度为________mol/L。
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