ÌâÄ¿ÄÚÈÝ
ijУ»¯Ñ§ÐËȤС×éΪ²â¶¨Ä³ÏõËáï§ÑùÆ·µÄ´¿¶È£¬½«10gÑùÆ·ÈÜÓÚ30gË®ºó£¬ÔÙ¼ÓÈë13.7gÇâÑõ»¯ÄÆŨÈÜÒº¹²ÈÈ£¬Á½ÕßÇ¡ºÃÍêÈ«·´Ó¦£¨ÏõËáï§ÖеÄÔÓÖʲ»ÓëÇâÑõ»¯ÄÆ·´Ó¦£¬Ò²²»ÈÜÓÚË®£©£¬ÏõËáï§ÓëÇâÑõ»¯ÄƵķ´Ó¦·½³ÌʽΪ£ºNH4NO3+NaOH
| ||
ʱ¼ä/s | 0 | 20 | 30 | 40 | 60 | 80 | 100 | 120 |
Ôö¼ÓµÄÖÊÁ¿/g | 0 | 0.7 | m | 1.2 | 1.5 | 1.6 | 1.7 | 1.7 |
£¨1£©ÇëÔÚÏÂÃæµÄ×ø±êÖ½ÉÏ£¬ÒÔ·´Ó¦Ê±¼äΪºá×ø±ê£¬ÒÔ²úÉúµÄNH3ÖÊÁ¿Îª×Ý×ø±ê£¬»³öÄܹ»±íÃ÷²úÉúÆøÌåµÄÖÊÁ¿Ëæʱ¼ä±ä»¯µÄ¹ØϵÇúÏߣ»
£¨2£©±íÖÐmԼΪ
£¨3£©ÏõËáï§ÑùÆ·µÄ´¿¶ÈΪ
£¨4£©ÊÔ¼ÆËã·´Ó¦ºóËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý£¨²»¿¼ÂÇ·´Ó¦¹ý³ÌÖÐË®ËðʧµÄÖÊÁ¿£©£®
·ÖÎö£º£¨1£©ÀûÓÃÊý¾Ý±íÖвâµÃµÄʱ¼äÓëÔö¼ÓµÄÖÊÁ¿£¬ÕÒ³ö¶ÔÓ¦µÄµã²¢ÓÃƽ»¬ÇúÏßÁ¬½Ó£»
£¨2£©ÀûÓÃËù»æÖƵÄÇúÏߣ¬²é³öʱ¼äΪ30sʱËùÔö¼ÓµÄÖÊÁ¿£»
£¨3£©¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉÉú³É°±ÆøµÄÖÊÁ¿¼ÆËã³öÑùÆ·ÖÐÏõËá淋ÄÖÊÁ¿£¬ÀûÓÃÏõËáï§ÑùÆ·µÄ´¿¶È=
¡Á100%¼ÆËãÑùÆ·´¿¶È£»
£¨4£©¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉÉú³É°±ÆøµÄÖÊÁ¿¼ÆËã·´Ó¦Éú³ÉÏõËáÄƵÄÖÊÁ¿£¬ÀûÓÃËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý=
¡Á100%£¬·´Ó¦ºóËùµÃÈÜÒºÖÊÁ¿¿ÉÀûÓÃÖÊÁ¿Êغ㶨ÂɽøÐмÆËã¶øÇóµÃ£®
£¨2£©ÀûÓÃËù»æÖƵÄÇúÏߣ¬²é³öʱ¼äΪ30sʱËùÔö¼ÓµÄÖÊÁ¿£»
£¨3£©¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉÉú³É°±ÆøµÄÖÊÁ¿¼ÆËã³öÑùÆ·ÖÐÏõËá淋ÄÖÊÁ¿£¬ÀûÓÃÏõËáï§ÑùÆ·µÄ´¿¶È=
ÏõËá淋ÄÖÊÁ¿ |
ÑùÆ·ÖÊÁ¿10g |
£¨4£©¸ù¾Ý·´Ó¦µÄ»¯Ñ§·½³Ìʽ£¬ÓÉÉú³É°±ÆøµÄÖÊÁ¿¼ÆËã·´Ó¦Éú³ÉÏõËáÄƵÄÖÊÁ¿£¬ÀûÓÃËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý=
ÏõËáÄƵÄÖÊÁ¿ |
·´Ó¦ËùµÃÈÜÒºÖÊÁ¿ |
½â´ð£º½â£º£¨1£©¸ù¾Ý²â¶¨Êý¾Ý±íÖеÄʱ¼äÓëÖÊÁ¿Êý¾ÝÈ·¶¨Ò»Ð©µã£¬È»ºó°Ñ¸÷µãÀûÓÃƽ»¬ÇúÏßͼÁ¬½Ó£»»æÖÆÇúÏßʱҪ×öµ½£ºÇúÏßƽ»¬¡¢Ç÷ÊÆÕýÈ·¡¢¸ø³öƽ̨£»
¹Ê´ð°¸Îª£º
£¨2£©¸ù¾ÝËù»æÖƵÄÇúÏߣ¬¿É¹À¼Æ·´Ó¦½øÐÐÖÁ30sʱ£¬Ôö¼ÓµÄÖÊÁ¿Ô¼Îª1.0g£»
¹Ê´ð°¸Îª£º1.0g£»
£¨3£©·Å³ö1.7gNH3ÏûºÄÏõËá淋ÄÖÊÁ¿Îªm
NH4NO3+NaOH
NaNO3+H2O+NH3¡ü
80 17
m 1.7g
=
m=8g
ÏõËáï§ÑùÆ·µÄ´¿¶È=
¡Á100%=80%
¹Ê´ð°¸Îª£º80%£»
£¨4£©Éè´¿¾»ÏõËáÄƵÄÖÊÁ¿Îªx
NH4NO3+NaOH
NaNO3+H2O+NH3¡ü
85 17
x 1.7g
=
x=8.5g
·´Ó¦ºóËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý=
X100%=17%
´ð£º·´Ó¦ºóËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ17%£®
¹Ê´ð°¸Îª£º
£¨2£©¸ù¾ÝËù»æÖƵÄÇúÏߣ¬¿É¹À¼Æ·´Ó¦½øÐÐÖÁ30sʱ£¬Ôö¼ÓµÄÖÊÁ¿Ô¼Îª1.0g£»
¹Ê´ð°¸Îª£º1.0g£»
£¨3£©·Å³ö1.7gNH3ÏûºÄÏõËá淋ÄÖÊÁ¿Îªm
NH4NO3+NaOH
| ||
80 17
m 1.7g
80 |
17 |
m |
1.7g |
ÏõËáï§ÑùÆ·µÄ´¿¶È=
8g |
10g |
¹Ê´ð°¸Îª£º80%£»
£¨4£©Éè´¿¾»ÏõËáÄƵÄÖÊÁ¿Îªx
NH4NO3+NaOH
| ||
85 17
x 1.7g
85 |
17 |
x |
1.7g |
·´Ó¦ºóËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý=
8.5g |
10gX80%+30g+13.7g-1.7g |
´ð£º·´Ó¦ºóËùµÃÏõËáÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ17%£®
µãÆÀ£º¸ù¾ÝÖÊÁ¿Êغ㶨ÂÉ£¬·´Ó¦ºóËùµÃÏõËáÄÆÈÜÒºµÄÖÊÁ¿=ÑùÆ·ÖÐÏõËá淋ÄÖÊÁ¿+ÈܽâËù¼ÓË®µÄÖÊÁ¿+ÇâÑõ»¯ÄÆŨÈÜÒºµÄÖÊÁ¿-·´Ó¦·Å³ö°±ÆøµÄÖÊÁ¿£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿