the gram-equivalent mass of alcl3 is its gram-formula mass d

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the gram-equivalent mass of alcl3 is its gram-formula mass divided by
a.1
b.3
c.4
d.6

3
因为Al是3+
这是sat2化学题
再问：是啊...答案没看懂啊...为什么Al是+3相当与3个H的+1,就除以3啊???thx
再答：额，sat2其实没有必要搞懂的，会做题就行比如说1mol/L的H2SO4,如果换成当量浓度就应该是2N　H2SO4，大概的意思就是1mol的H2SO4会有2mol的氢离子，类似的 1mol/L的HCL就是1N，1mol/L的NAOH就是1N，1mol/L的CA(OH)2就是2N,这是酸碱的。

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