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¯ѧϴеҩƷж

ʱ䣺2019-09-26 16:50ߣ¯ϴ


¯ڴ豸░ֲϴ░ϴʱõһЩѧƷ░ЩǾжԵ░¯ϴΪһ£


һ•:

ȻˮҺȻHclɫ░оҵijζ░еΪ-85░۵Ϊ-110░ܶΪ1.3░ȿȻڿ γɰɫ░ˮҵȻĺһ㲻27%░ͨΪ31%░¾ȻݳҵԺϳ ҵлյ░۸Ȼ░һ㺬н϶░•Ǧ•Ƚʹʱ░ϸгɷַ░ֻекʵĺ ұ׼(ŷű׼)ʱʹ


¯ѧϴеҩƷж


•:

(NaOH)ֳƿ•ռ░ɫ░۵318.4░е1390░0ʱˮеܽΪ42%░ǿҵˮ ܹܽ⵰ʶγɼԵ׻░֯ԵĸʴԵʵܽ░رճĤ░ܹγɲ谭Һ ֯еġ衱░ԽӴƤʱҺŨԽ░¶ԽԽǿʹǼƽ۾ҲΣյ░ڼҺѸ ٽڲ░Σ۵ı沿(Ĥ)░ܹ뵽ڲʹĤʹʱһҪעһƤϻ░Ӧˮϴ░ˮ ϴ░ҽԺ


•:

(NaNO2)Ϊɫб░۵276.9░ˮ░ˮҺų(ɫ)

ƶ֯ǿҵļ░ʳһѪ░ӿ░ѪѹƵĶμ໯ʱ░һ()ܹ°░ǻϸŷŨȵҪԭ

ʹۻʱ░̰һ㻯ѧ̼Ͻκδֱŷ░ҺͬҺӴ░ųܹȾ


•:

Ƽ░ͨ12ᾧˮ(Na3PO412H2O)Ϊɫ1.62░۵73.4░ڸз绯ȵ100ʱʧȥᾧˮ░Ϊˮˮ░ˮҺмȫֽΪƺ░Һʼ

Ƶ¶ֻڼܴʱſܷ░ڶۻ¶òע░һ㻯ѧҩƷIJҪ󼴿


Ͼ¯ϴΪҽܵ░˽░ʹùһҪǵСʹ!


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