What is the gram formula mass of Na2CO3x10H20?
A)266 g
B)142 g
C)106 g
D)286 g

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion