The quantity which changes with temperature is:

Concentrated $HCl$ is $10 \,N$. How can $1000 \,cc$ of $1 \,N \,HCl$ be prepared by dilution?

An antifreeze solution is prepared from $222.6 \ g$ of ethylene glycol $[C_2H_4(OH)_2]$ and $200 \ g$ of water. What is the molality of this solution (in $m$)?

The normality of $10 \%$ (weight/volume) acetic acid is ......... $N$.

The density of a $10.0\% \, w/w$ aqueous solution of $KCl$ is $1.06 \, g \, cm^{-3}$. The molarity of this solution is ........

$6 \ g$ of urea (molar mass $= 60 \ g \ mol^{-1}$) and $9 \ g$ of glucose (molar mass $= 180 \ g \ mol^{-1}$) were dissolved in $35 \ g$ of water. The mass percent of urea and glucose is respectively: