Jawabanmu

2014-06-03T01:03:33+07:00
ArC = 12, H = 1, O = 16, Ca = 40
a. (2 x 12) + ( 4x1 ) + ( 2 x 16 ) = 60
b. ( 1x 40 ) + ( 1 x 12 ) + ( 3 x 16 ) = 100
c. ( 6 x 12 ) + ( 18 x 1 ) = 90, mungkin maksudnya C6H12O6 ( sukrosa ) ? kalo iya berarti Mrnya = 180
d. ( 1x 12 ) + ( 2 x 16 ) = 44