Recent questions tagged some-basic-concepts-of-chemistry

$29.2\%$(w/w) $HCl$ stock solution has a density of $1.25gmL^{-1}$. The molecular weight of $HCl$ is $36.5g\;mol^{-1}.$ Find the volume $(ml)$ of stock solution required to prepare a $200\;ml$ of $0.4\;M\; HCl$ is

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