Solve and show work. How many grams of potassium permanganate, KMnO4 are need to make 1.25 L of 0.75 M solution?

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

28528289 29823282 8298232 39858

answersilicon (si); oxygen (o);