Seudónimo
Seudónimo
06-11-2016
Chemistry
contestada
show working out pls thanks!
Respuesta :
kittycat777
kittycat777
06-11-2016
Ca=40
C=12
O=16, so O3=48.
By summing up, you get 100 for CaCO3.
The percentage of C is therefore 12/100=12%.
Answer Link
VER TODAS LAS RESPUESTAS ( 94+ )
Otras preguntas
What is the element CH3CH2CH2CH2CH2OH?
Explain how a parachute works
What do you see as the main cause of stress for teens today? Why?
The Fair Labor Standards Act, passed in 1938, helped American workers by (1) banning the closed shop (2) creating universal health insurance (3) es
President Nixon's alleged abuse of authority in which war led to the War Powers Resolution of 1973? the Vietnam war the Iraq war the Korean War world war II
Which statement best summarizes the perspective of President Theodore Roosevelt concerning natural resources? (1) Decisions about conservation are bes
The roots of the equation 2x2 - 8x = 0 are (1) -2 and 2 (3) 0 and -4 (2) 0, -2, and 2 (4) 0 and 4
The value of y varies directly with the value of x, and y = –8 when x = 4. Which equations represent the relationship between y and x? Choose exactly two answer
Document 5b … The policy [relocation and internment of Japanese Americans] stemmed from a myriad of motives, including the insecurity of the army’s
what is 18/4 in simplest form