! in the reaction 4al+_o2= 2al2o3, what coefficient should be placed in front of the

to balance the reaction?

a. 1

b. 2

c. 3

d. 4

the volume of fluid displaced would equal the volume of the gas. use a gas syringe - this is a laboratory instrument that can be used to withdraw a certain volume of gas from a closed system or to measure the volume of gas from a chemical reaction.

thats how its supposed to be

може ли да зареждате повече информация, моля

you need to have a picture of the atom that way we can answer it