Pls help the pic is down below :)

How will the emission of an alpha particle affect the atomic number of an atom

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5