How did the planets in our solar system form?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2