Presentation is loading. Please wait.

Presentation is loading. Please wait.

F o r m u l a M a s s. F o r m u l a a n d M o l e c u l a r M a s s z E v e r y M o l e c u l a r m a s s i s a f o r m u l a m a s s. z N o t e v e.

Similar presentations


Presentation on theme: "F o r m u l a M a s s. F o r m u l a a n d M o l e c u l a r M a s s z E v e r y M o l e c u l a r m a s s i s a f o r m u l a m a s s. z N o t e v e."— Presentation transcript:

1 F o r m u l a M a s s

2 F o r m u l a a n d M o l e c u l a r M a s s z E v e r y M o l e c u l a r m a s s i s a f o r m u l a m a s s. z N o t e v e r y f o r m u l a m a s s i s a m o l e c u l a r m a s s.

3 F o r m u l a M a s s C a l c u l a t i o n T h e s u m o f a l l t h e a t o m i c m a s s e s i n t h e f o r m u l a.

4 F o r m u l a M a s s C a l c u l a t i o n C 2 H 5 O H C = 12 X 2 = 2 4 H = 1 X 5 = 5 O = 16 X 1 = u

5 U n i t s o f F o r m u l a M a s s A t o m i c M a s s U n i t s U

6 P e r c e n t a g e C o m p o s i t i o n z E a c h e l e m e n t m a k e s u p a % o f t h e s u b s t a n c e. z A d d o n e s t e p t o a f o r m u l a m a s s c a l c u l a t i o n

7 C a l c u l a t i o n o f % C o m p o s i t i o n C 2 H 5 O H C = 12 X 2 = 24 / 46 = 52 % H = 1 X 6 = 6 / 46 = 13 % O = 16 X 1 = 16 / 46 = 35 % 46 u

8 E n d F o r m u l a M a s s


Download ppt "F o r m u l a M a s s. F o r m u l a a n d M o l e c u l a r M a s s z E v e r y M o l e c u l a r m a s s i s a f o r m u l a m a s s. z N o t e v e."

Similar presentations


Ads by Google