化学式(英文符号;分号分隔多个化学式;成对括号后必须有数字;·号表示物质结合):
计算结果(输入有误时分子量为0):
涉及化学元素:
元素周期表
© 2021-2024, LIANG Chen, Institute of Mountain Hazards and Environment, CAS. All rights reserved.
© 2021-2024, LIANG Chen, Institute of Mountain Hazards and Environment, CAS. All rights reserved.