How many moles of each element are in one mole of be(oh)2?

Explanation:

To find the number of moles of each element present in 1 mole of Be(OH)₂, we use the ratio of the molar masses of the elements to the compound and multiply by the given mole.

Molar mass of Be(OH)₂ = 9 + 2(16+1) = 43g/mol

number of moles of Be = x 1 = 0.209mole

number of moles of O =   x 1 = 0.744mole

number of moles of H =   x 1 = 0.047mole