莊阿翔 เกือบ 6 ปีที่แล้ว 應該是氧原子量是16，原子序是8，所以要看你的題目是什麼再決定用哪個啦...(如果你能夠直接反應H2O的分子量是18，那你就很明顯可以知道O原子量是16) แสดงความคิดเห็น
香魚 เกือบ 6 ปีที่แล้ว 氧的原子量是8，原子序也是8， 氧氣的分子量是16 訪客 เกือบ 6 ปีที่แล้ว "氧"的時候用8 "氧氣"的時候用16 แสดงความคิดเห็น
![想請問這兩題的差異在哪？
為什麼右圖可以用Ksp=[Cl-][Ag+]，然後將題目給的原... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1753636/thumb_l_webp_5820D857-88BA-41BE-8D71-4CA2E6FB7193.webp?Expires=1749197657&Signature=CSS89QMwlMaPvIkdMiPKNfLUw1rwHtPc7aG8xGnsAC-aJ73t~6o-6EMeQewDJxFRNFHbFAzNJNuCLb7b6T5GI1s1gEETSTviouRTLk~V7db5Vyvxa8rx99MCuhyXQhEPOQHuUIBgSeEPSj4-usHWvFf8WpcYLGT7iwFzjfDePYZNa8NcpNVG9GvJ86UP62pOWSoYHhasVPvR850P3wTEWOVhC5o6yAKFU5O9BnYXmtUy~cebNu~jjM8wKRUXLdi-HE8M5BSknjdYuN0tufgSfuLG7H3cak43NZh-Nf-49oQM5IbUZKVxAy1GR2wPjku9fHA9b5~zAZm2dpgXAwMMhQ__&Key-Pair-Id=K2W722D70GJS8W&Expires=1749197657&Signature=hJ9pcCVb7DhpGmQw2tXdFOUo7JARfpBQ1LL7EQ~FJjTGHSZXK0iWK956YqCGqZcOfXK7gIYPcxGe9hbC3tgujqyliQAvFNgIq78lHbhVJVET2Q94yoZOdbHWFglSP4o3loosjKC8UorRdt9DoWJVz8KXnD30i7o4wpvTZYkANUf9tLqAPRnibqBQ5Npdlz72NsOBwqAnLvHeeUCkqT7IpL7QjHrsEXmwTh2TKP2CpOI5frnRpgrrIhGctCm16zcMqwtOKhpAyCoQ~X64aSdo72-VxFcaYfnIBEuMiQH-m9NI0Za6ncV5vTFteIUQAnXslj7v~vZOf0uNgHpLSLUWPA__&Key-Pair-Id=K2W722D70GJS8W)
![想請問這兩題的差異在哪？
為什麼右圖可以用Ksp=[Cl-][Ag+]，然後將題目給的原... - 2](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1753637/thumb_l_webp_8DD99B7A-BB8A-4E22-A2E7-A7D50F6112D8.webp?Expires=1749197657&Signature=OEOwrDLXGLDpZHEExae~6YxIeALKInEyt6xxzEbwCWYQ~8AY25vQm0PpwdRsZQe3bzxjqEIbyTokOvUg66AMChzsdQpT9s~Aas0q0RIRWKeNmrW9zjMAECplfqRvFh3yEKnh7YYfNlNlwfsoyjv6BtQS2Jl4RlnKa7afNg3irEykYJjdVRyXE5bktiSVx051hMMX2oUA6MIdnryW82jxygN1hqbWeWzo1ASzp5x5kndGGppSz5pULY1BD582lX0hKdoHooB6H8UGD55u6fxpdvtauYA8m60Ka1WLraJgMsoBxY1raicOwNbtnkDXq3ZaLD15iGDA9X2hVuTELWE7pw__&Key-Pair-Id=K2W722D70GJS8W&Expires=1749197657&Signature=I3nPoDuPBDHUOqlKA9YE2WTta6yGXOguBK5piZ-k34~v0H2~x41gnJvyio1GnI9q45DdR3TfR-5ZyN6Gc2wJILKoq0Buig82nHGflle2z3dETlWnuX5u8H5GcVkLgCnbswCx8QGCFZK~ZggYgNs7hpydh8Zmi3lASid~qtfrDPz6XwCqGmD60MwAT8L1GyZeJ5uvtdKWBiSVaQA0GRTgvh4TrYkkZO0xeWDMxW8UnrQXUFme6asl4LGbcl4xZwkZNyZp-1RrkJW86XbCiWQd2DAO~Yc6WU6s69WL1ugzBdXdviTcN4~tmdqnT5i6U3NynIzsIPAeQwrAKq5WU2l23g__&Key-Pair-Id=K2W722D70GJS8W)
"氧"的時候用8
"氧氣"的時候用16