ÌâÄ¿ÄÚÈÝ
ijѧÉúÓÃÖÊÁ¿²»ÏàµÈµÄNaHCO3ºÍKHCO3×é³ÉµÄ»ìºÏÎïºÍÏàͬÎïÖʵÄÁ¿Å¨¶ÈµÄÑÎËá·Ö±ð½øÐÐʵÑ飬²âµÃÈçÏÂÊý¾Ý£¬ÆäÖзÖÎöÍÆÀíÕýÈ·µÄÊÇ
|
50 mLÑÎËá |
50 mLÑÎËá |
50 mLÑÎËá |
M(»ìºÏÎï) |
9.2 g |
15.7 g |
27.6 g |
V(CO2)£¨±ê×¼×´¿ö£© |
2.24 L |
3.36 L |
3.36 L |
A£®15.7 g»ìºÏÎïÇ¡ºÃÓëÑÎËáÍêÈ«·´Ó¦
B£®¼ÓÈë»ìºÏÎï9.2 gʱÑÎËá²»×ãÁ¿
C£®ÑÎËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ3.0 mol¡¤L-1
D£®¸ù¾Ý±íÖÐÊý¾Ý²»ÄܼÆËã³ö»ìºÏÎïÖÐNaHCO3µÄÖÊÁ¿·ÖÊý
B
¡¾½âÎö¡¿AÏîÖУ¬³ýÈ¥Ba2+ÓëSO42-·¢ÉúÀë×Ó·´Ó¦Í⣬H+ÓëOH-Ò²Òª·¢ÉúÀë×Ó·´Ó¦£¬Ba2++2OH-+2H++ SO42-=BaSO4¡ý+2H2O£»BÏîÖУ¬ÓÉÓÚСËÕ´òÊÇÉÙÁ¿µÄ£¬ËùÒÔÏà¶ÔÀ´Ëµ£¬³ÎÇåʯ»ÒË®ÊǹýÁ¿µÄ£¬Êéд·½³ÌʽʱӦ´ÓHCO3-¿¼ÂÇ£¬BÏîÕýÈ·£»CÏîÖУ¬¹ýÁ¿µÄÂÈÆø¼ÈÒªÓëFe2+·´Ó¦£¬ÓÖÒªÓëBr-·´Ó¦£¬ÇÒ¶þÕßµÄÁ¿µÄ¹Øϵ·ûºÏ×é³É£¬2Fe2++4Br-+3 Cl2=2Fe3++2Br2+6Cl-£»DÏîÖУ¬SO2ΪÉÙÁ¿£¬ËùÒÔÆäÓëË®·´Ó¦Éú³ÉµÄH2SO3Ó¦·¢ÉúµÚ¶þ²½µçÀëÉú³ÉSO32-£¬2NH3+H2O+SO2=2NH4++SO32-¡£
ijѧÉúÓÃNaHCO3ºÍKHCO3×é³ÉµÄij»ìºÏÎï½øÐÐʵÑ飬²âµÃÈçÏÂÊý¾Ý£¨ÑÎËáµÄÎïÖʵÄÁ¿Å¨¶ÈÏàµÈ£©£¬ÏÂÁзÖÎöÍÆÀí²»ÕýÈ·µÄÊÇ £¨¡¡¡¡£©
|
| 50 mLÑÎËá | 50 mLÑÎËá | 50 mLÑÎËá |
m(»ìºÏÎï) | 9.2 g | 15.7 g | 27.6 g |
V(CO2)£¨±ê×¼×´¿ö£© | 2.24 L | 3.36 L | 3.36 L |
A£®15.7 g»ìºÏÎïÇ¡ºÃÓëÑÎËáÍêÈ«·´Ó¦
B£®¼ÓÈë»ìºÏÎï9.2 gʱÑÎËá²»×ãÁ¿
C£®ÑÎËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ3.0 mol¡¤L-1
D£®¸ù¾Ý±íÖÐÊý¾Ý²»ÄܼÆËã³ö»ìºÏÎïÖÐNaHCO3µÄÖÊÁ¿·ÖÊý
ijѧÉúÓÃÖÊÁ¿²»ÏàµÈµÄNaHCO3ºÍKHCO3×é³ÉµÄ»ìºÏÎïºÍÏàͬÎïÖʵÄÁ¿Å¨¶ÈµÄÑÎËá·Ö±ð½øÐÐʵÑ飬²âµÃÈçÏÂÊý¾Ý£¬ÆäÖзÖÎöÍÆÀíÕýÈ·µÄÊÇ
| 50 mLÑÎËá | 50 mLÑÎËá | 50 mLÑÎËá |
M(»ìºÏÎï) | 9.2 g | 15.7 g | 27.6 g |
V(CO2)£¨±ê×¼×´¿ö£© | 2.24 L | 3.36 L | 3.36 L |
A£®15.7g»ìºÏÎïÇ¡ºÃÓëÑÎËáÍêÈ«·´Ó¦
B£®¼ÓÈë»ìºÏÎï9.2 gʱÑÎËá²»×ãÁ¿
C£®ÑÎËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ3.0 mol¡¤L-1
D£®¸ù¾Ý±íÖÐÊý¾Ý²»ÄܼÆËã³ö»ìºÏÎïÖÐNaHCO3µÄÖÊÁ¿·ÖÊý
ijѧÉúÓÃÖÊÁ¿²»ÏàµÈµÄNaHCO3ºÍKHCO3×é³ÉµÄ»ìºÏÎïºÍÏàͬÎïÖʵÄÁ¿Å¨¶ÈµÄÑÎËá·Ö±ð½øÐÐʵÑ飬²âµÃÈçÏÂÊý¾Ý£¬ÆäÖзÖÎöÍÆÀíÕýÈ·µÄÊÇ
| 50 mLÑÎËá | 50 mLÑÎËá | 50 mLÑÎËá | ||||
M(»ìºÏÎï) | 9.2 g | 15.7 g | 27.6 g | ||||
V(CO2)£¨±ê×¼×´¿ö£© | 2.24 L | 3.36 L | 3.36 L
|