Question

Calculate the percent composition by mass of each element in Al(OH)3. Use at least three significant figures.

Al =


0=

H=

Answer 1

nope nope nope nope nope nope nope nope

Answer 2

Al= (27/78)x100

Al= 34.6%

O= (48/78)x100

O= 61.5%

H= (3/78)x100

H= 3.85%