40 POINTS FOR THIS QUESTION 2KClO3 2KCl + 3O2

If 0.8 moles of KClO3 were used, how many grams of O2 were produced?

Select the atomic models that belong to the same element

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

Which is an example of a highly unstable isotope that is often used in fission reactions?