1mol of a substance is equal to 6.02 x 1023 atoms or particles
true or false

What type of matter is made of only one kind of atom

Which three statements represent the benefits of performing experiments using computer simulations?

Jenny places a strip of ph paper into a solution. when she removes the ph paper, it has turned yellow-green. what should jenny do next to determine the ph of her solution? a. use a different testing method because the ph paper should not change colors b. place the ph paper into a machine that reads the ph of the solution c. compare the ph paper's color with the color of ph paper from another solution d. compare the ph paper's color with a chart of colors and ph ranges