Pleas help me as soon a possible I don't have time pleas

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

What is the mass of 0.46 mol of mgcl2

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.