Answer:
mass = 963.53 grams
Explanation:
mass = moles x molar mass
m = 9.45 x 101.96 (molar mass of Al2O3)
m = 963.53g
The answer is A. atomosphere yamp ; biosphere
Hypothesis is your opinion/ your thinking and yes, scientists have hypothesis before they do an experiment
Hope this helps!
0,51%, the moles of the ions are 0,025 moles and the concentration in moles/L are 0,005M