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Q. Calculate Molarity of a 63% w/w $HNO_3$ solution if density is 5.4 g/mL :

AIIMSAIIMS 2019Some Basic Concepts of Chemistry

Solution:

$M=\frac{\%w.w\times d\times10}{M_{solute}}=\frac{63\times1.4\times10}{63}=6.5$