How many moles of H2 can be made from complete reaction of 3.0 moles of AL?

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

What is the subscript for oxygen in its molecular formula

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h