(Solved): draw the arrangement of water molecules around sodium chloride when it is dissolved in waterwhat is ...

25. Draw the arrangement of water molecules around \( \mathrm{NaCl} \) when it is dissolved in water 26. What is the mass of \( \mathrm{CaBr} \) dissolved in \( 80 \mathrm{~g} \) of \( 6 \% \) by mass \( \mathrm{CaBr} \) solution? 27. What is the molarity of a solution that contains \( 1.2 \mathrm{~g} \) of \( \mathrm{CaBr}(199.89 \mathrm{~g} / \mathrm{mol}) \) dissolved in 15 of solution? 28. A Bronsted Lowry Acid is referred to as a proton DONOR. In the reaction below which REACTA is the Bornsted-Lowery ACID \[ \mathrm{HCl}(\mathrm{aq})+\mathrm{NH}_{3}(\mathrm{aq}) \rightarrow \mathrm{NH}^{+4}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq}) \] A. \( \mathrm{HCl} \) B. \( \mathrm{NH}_{3} \) C. \( \mathrm{NH}^{+4} \) D. \( \mathrm{Cl}^{-} \) 29. Calculate the hydrogen ion concentration of a solution at \( \mathrm{pH} 2.8 \)