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2 KClO3 → 2KCl + 3O2 How many moles of oxygen are formed if 141 g of KClO3 decompose? 2Na (s) + 2 H2O (l) → 2NaOH (aq) + H2 (g) If 4.52 moles of Na react with an excess of water, how many grams of H2 are formed? Solve for x. 7^2x=9^x+7. Write the exact answer using base-10 logarithms.? Why do you have a different laser beam diameter while 3 of the laser devices are diode lasers? Can an Electrical and Computer Engineering student work in parallel with his studies?If he has no money?