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| 1. |
How many moles of O2 are there in 1.20 × 10^22 oxygen molecules |
| Answer» (☞ ͡° ͜ʖ ͡°)☞ = We know from mole concept that :-\xa06.022\xa0×\xa010\xa023\xa0molecules = 1 mole1.2\xa0\u200b×\xa010\xa022\xa0molecules = 1×1.2\xa0×\xa010\xa022\xa0molecules/\u200b\xa06.022\xa0×\xa010\xa023\xa0molecules = 0.019 molesHence, 1.2\xa0\u200b×\xa010\xa022\xa0molecules of O2\xa0is equivalent to 0.019 moles. | |