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Chemistry help?
1) What is the mass of 2.89 L of carbon dioxide gas at STP?
2) What is the volume of 622.3 g of ammonia gas at STP?
3) What is the volume of 3.949 mol of neon gas at STP?
1 Answer
- Anonymous1 decade agoFavorite Answer
at STP, 1 mole of gas occupies 22.4 L
1) 2.89/22.4 = 0.1290 moles
mass of CO2 = 5.67g
2) Mass of 1 mole = NH4 = 18g
Moles of ammonia = 622.3/18 = 34.572 moles
Volume = 774.71 L
3) volume of 3.949 moles of neon = 3.949 * 22.4 = 88.4576L