怎样连接长颈漏斗与单孔塞要不要蘸水?

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怎样连接长颈漏斗与单孔塞要不要蘸水?

怎样连接长颈漏斗与单孔塞要不要蘸水?
怎样连接长颈漏斗与单孔塞
要不要蘸水?

怎样连接长颈漏斗与单孔塞要不要蘸水?
先把长颈漏斗的下端蘸水,然后稍带旋转的塞进胶塞中,期间要注意不可用力过猛,以防扎了手.

不要，玻璃中的Si会和水反应。
严格的说硅能和水反应 只不过反应过于微弱 一般都视为不反应 有方程为证
Si+2NaOH+H2O=Na2SiO3+2H2
是由方程
Si+4H2O=H4SiO4+2H2↑
H4SiO4=H2SiO3+H2O
H2SiO3+2NaOH=Na2SiO3+2H2O
合成的

可以适当蘸水，使它更容易套进。你可以将它蘸水后，将其慢慢旋入，切勿硬套入，这样会损坏仪器
LZD说得虽然是不错，但是反应太过于微弱了吧，一般是可以忽视的

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