ÌâÄ¿ÄÚÈÝ

Èõµç½âÖʵĵçÀëƽºâ¡¢ÑÎÀàµÄË®½âƽºâºÍÄÑÈÜÎïµÄÈܽâƽºâ¾ùÊôÓÚ»¯Ñ§Æ½ºâ¡£¸ù¾ÝÒªÇó»Ø´ðÎÊî}¡£

(1)Éú»îÖÐÃ÷·¯³£×÷¾»Ë®¼Á£¬Æ侻ˮµÄÔ­ÀíÊÇ_____________(ÓÃÀë×Ó·½³Ìʽ±íʾ)¡£

(2)³£ÎÂÏ£¬È¡0.2 mol/L HClÈÜÒºÓë0.2mol/L MOHÈÜÒºµÈÌå»ý»ìºÏ£¬²âµÃ»ìºÏºóÈÜÒºµÄpH=5¡£Ð´³öMOHµÄµçÀë·½³Ìʽ£º__________________¡£

(3)0.1mol/LµÄNaHAÈÜÒº£¬²âµÃÈÜÒºÏÔ¼îÐÔ¡£Ôò

¢Ù ¸ÃÈÜÒºÖÐ c(H2A)_______________c(A2-)(Ìî¡°>¡±¡¢¡°<¡±»ò¡°=¡±)

¢Ú ×÷³öÉÏÊöÅжϵÄÒÀ¾ÝÊÇ_____________(ÓÃÎÄ×Ö½âÊÍ)¡£

(4)º¬Cr2O72-µÄ·ÏË®¶¾ÐԽϴó£¬Ä³¹¤³§·ÏË®Öк¬5.0¡Á10-3 mol/LµÄCr2O72-¡£ÎªÁËʹ·ÏË®µÄÅÅ·Å´ï±ê£¬½øÐÐÈçÏ´¦Àí£º

ÂÌ·¯ÎªFeSO4• 7H2O¡£·´Ó¦(I)ÖÐCr2O72-ÓëFeSO4µÄÎïÖʵÄÁ¿Ö®±ÈΪ___________¡£

³£ÎÂÏÂÈô´¦ÀíºóµÄ·ÏË®ÖÐc(Cr3+)=6.0¡Á10-7mol/L£¬Ôò´¦ÀíºóµÄ·ÏË®µÄ pH=___________¡£

{Ksp[Cr(OH)3]=6.0¡Á10-31}

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø