What is the formula for the compound barium hydroxide pentahydrate?

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

What is the percent by mass of magnesium sulfate in mgso4.7h2o