- If I leave 750 mL of 0.75 M sodium chloride solution uncovered on a windowsill and 150 mL of the solvent evaporates, what
will the new concentration of the sodium chloride solution be?

- To what volume would I need to add water to the evaporated
solution in problem 3 to get a solution with a concentration of
0.50 M?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

What are several ways to reduce the effect of friction