(05.02 MC) What is the molar mass of potassium nitrate, KNO3? (1 point)
оа
69.095 g/mol
Ob
84.098 g/mol
ос
101.093 g/mol
Od
124.658 g/mol

The answer for #3 is c but i don't know why

Which statement can best be concluded from the ideal gas law?

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.