Hey! *spam answers not tolerated* Could someone help? Will give brainliest and 100 points. Answer only if you know, thanks! Have a great day!
Which of the following is an example of an electrolytic solution? Select all that apply.

fresh water
salt (NaCl)
sea water
carbonic acid

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

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.

Apush or pull that moves or changes and object when to objects touch