(1)HCl的相对分子质量为______,HCl的摩尔质量为______,49gH 2 SO 4 的物质的量为______; (2)0.5mol的Fe含______个铁原子,质量是______g,12.04×10 23 个铁原子约是______mol.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】 Complete the text with the words and expressions below in red. panel references offer training shortlisted applications vacancy The recruitment process usually begins when the employer advertises a_...
【简答题】 Complete the text with the words and expressions below in red. panel references applications training meet shortlisted offer outside mentor vacancy The recruitment process usually begins when...