【多选题】【消耗次数:1】
在氨水溶液中加入下列物质时,溶液的碱性减小的是
NH4Cl
NaOH
HCl
适量H2O
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①  <img class="kfformula" src="20200629/1593414817730024.png" data-latex="{NH}_{4}{NO}_{3}" width="89" height="29"/>
②  <img class="kfformula" src="20200629/1593414817960955.png" data-latex="{CH}_{3}COOH" width="99" height="32"/>
③  <img class="kfformula" src="20200629/1593414817929066.png" data-latex="{Na}_{2}{SO}_{4}" width="69" height="36"/>
④  <img class="kfformula" src="20200629/1593414817102788.png" data-latex="{Na}_{2}{CO}_{3}" width="65" height="31"/>
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