Spanish: Cuántos gramos de oxígeno O2 se producen si se descomponen 25 moles de agua? English: How many grams of oxygen O2 are produced if 25 moles of water decompose?

2H2O(l) +-->2H2(g) +O2(g)

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4