A compound contains 81.8% C and 18.2% H by mass, determine its empirical formula. Given that the RMM of the compound is 88, determine its molecular formula.

Newtons second law deals most cosely with

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options: