$300 \ g$ of $25\%$ solution and $400 \ g$ of $40\%$ solution are mixed by weight. Calculate the percentage of the solute by weight in the final mixture. (in $\%$)
- A$33.57$
- B$37.57$
- C$17.57$
- D$21.57$
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Which of the following properties will change when the system containing solution $1$ becomes solution $2$?
$10 \ mol$ of solute $x + 10 \ L$ of water $1 \ L$ of solution $1 + 1 \ mol$ of solute $x + 1 \ L$ of water
(Solution $1$) (Solution $2$)
| $10 \ mol$ of solute $x + 10 \ L$ of water | $1 \ L$ of solution $1 + 1 \ mol$ of solute $x + 1 \ L$ of water |
(Solution $1$) (Solution $2$)
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View SolutionWhen $120 \ g$ of urea (molar mass $= 60 \ g/mol$) is dissolved in $1000 \ g$ of water,the density of the resulting solution is $1.15 \ g/mL$. The molarity of this solution is ........ $M$.
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View SolutionDissolving $120 \ g$ of a compound (mol. wt $= 60$) in $1000 \ g$ of water gave a solution of density $1.12 \ g \ mL^{-1}$. The molarity of the solution is: (in $M$)
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