Select sulfur hexafluoride, SF6, and set the mass to 4.00 g. What amount (in moles) of SF6 does 4.00 g of SF6 represent

58 km per hour : d

your answers are a,b,,e and f

i hope this

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.