CHEMISTRY I

What volume will 45 g of argon occupy at 25 C and 742 mm Hg? A compound contains 27.3% carbon and 72.7% oxygen. Its density is 1.96 g/L. Find the empirical formula. Find the molecular formula. If 2.00 L of a certain gas, collected at 780.0 mm Hg and 30.0 C, has a mass of 1.50 g, find … ................
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