ÌâÄ¿ÄÚÈÝ
ij»¯Ñ§¿ÎÍâ»î¶¯ÐËȤС×éÔÚÑо¿¡°ÌúË¿ÔÚÑõÆøÖÐȼÉÕµÄÓ°ÏìÒòËØ¡±ÊµÑéʱ£¬ÐèÒªÖÆÈ¡Ò»¶¨Á¿µÄÑõÆø£®ÈçͼÊǸÃС×é¼×¡¢ÒÒ¡¢±û¡¢¶¡ËÄλͬѧÉè¼ÆµÄ¼¸ÖÖÖÆÑõÆøµÄ×°Öü°Ñ¡ÓõÄÊÔ¼Á£®»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Ð´³ö¼×ͬѧÖÆÈ¡ÑõÆøµÄ»¯Ñ§·´Ó¦·½³Ìʽ£º______£®
£¨2£©´Ó×°ÖúÍÑ¡ÓõÄÊÔ¼Á·ÖÎö£¬ÓдíÎóµÄÊÇ______£¨Ìî¡°¼×¡±¡¢¡°ÒÒ¡±¡¢¡°±û¡±¡¢¡°¶¡¡±£©£®
£¨3£©Ð´³ö¶¡Í¬Ñ§ËùÓÃ×°ÖÃÖÐÒ»ÖÖ²£Á§ÒÇÆ÷µÄÃû³Æ£º______£¨µ¼¹ÜºÍÏðƤÈû³ýÍ⣩£®
£¨4£©¼×ͬѧÖÆÈ¡²¢ÊÕ¼¯Ò»Æ¿ÑõÆøºó£¬×öÌúË¿ÔÚÑõÆøÖÐȼÉÕµÄʵÑ飬½á¹ûδ¿´µ½»ðÐÇËÄÉäµÄÏÖÏó£¬ÄãÈÏΪӰÏì¼×ͬѧʵÑéʧ°ÜµÄ¿ÉÄÜÒòËØÊÇ______£¨Ð´³öÒ»¸ö¼´¿É£©£®
£¨5£©±ûͬѧʵÑéʱȡÓÃÁË15%µÄ¹ýÑõ»¯ÇâÈÜÒº20mL£¨ÉèÃܶÈΪ1g/mL£©£¬ÔòËùÈ¡ÈÜÒºÖк¬H2O2______g£¬ÊµÑéºóÒª»ØÊÕMnO2£¬Ó¦²ÉÈ¡µÄʵÑé»ù±¾²Ù×÷ÊÇ______£®
£¨1£©Ð´³ö¼×ͬѧÖÆÈ¡ÑõÆøµÄ»¯Ñ§·´Ó¦·½³Ìʽ£º______£®
£¨2£©´Ó×°ÖúÍÑ¡ÓõÄÊÔ¼Á·ÖÎö£¬ÓдíÎóµÄÊÇ______£¨Ìî¡°¼×¡±¡¢¡°ÒÒ¡±¡¢¡°±û¡±¡¢¡°¶¡¡±£©£®
£¨3£©Ð´³ö¶¡Í¬Ñ§ËùÓÃ×°ÖÃÖÐÒ»ÖÖ²£Á§ÒÇÆ÷µÄÃû³Æ£º______£¨µ¼¹ÜºÍÏðƤÈû³ýÍ⣩£®
£¨4£©¼×ͬѧÖÆÈ¡²¢ÊÕ¼¯Ò»Æ¿ÑõÆøºó£¬×öÌúË¿ÔÚÑõÆøÖÐȼÉÕµÄʵÑ飬½á¹ûδ¿´µ½»ðÐÇËÄÉäµÄÏÖÏó£¬ÄãÈÏΪӰÏì¼×ͬѧʵÑéʧ°ÜµÄ¿ÉÄÜÒòËØÊÇ______£¨Ð´³öÒ»¸ö¼´¿É£©£®
£¨5£©±ûͬѧʵÑéʱȡÓÃÁË15%µÄ¹ýÑõ»¯ÇâÈÜÒº20mL£¨ÉèÃܶÈΪ1g/mL£©£¬ÔòËùÈ¡ÈÜÒºÖк¬H2O2______g£¬ÊµÑéºóÒª»ØÊÕMnO2£¬Ó¦²ÉÈ¡µÄʵÑé»ù±¾²Ù×÷ÊÇ______£®
£¨1£©¸ßÃÌËá¼ØÖÆÑõÆøµÄ»¯Ñ§·½³ÌʽΪ2KMnO4
K2MnO4+MnO2+O2¡ü
£¨2£©ÒÒ×°ÖÃÊԹܿÚÏòÉÏÇãб£¬»áʹˮÖéµ¹Á÷ÈëÈȵÄÊԹܵ×ʹÊÔ¹ÜÕ¨ÁÑ£®¶¡×°ÖÃÖÐÓõÄÒ©Æ·Ö»ÓÐË®£¬Ã»ÓÐË«ÑõË®£®¹ÊÒÒ¡¢¶¡ÓдíÎó£®
£¨3£©²£Á§ÒÇÆ÷³ýÁ˵¼¹ÜÍ⻹Óг¤¾±Â©¶·»ò׶ÐÎÆ¿
£¨4£©ÌúË¿ÔÚÑõÆøÖÐȼÉÕʵÑéÊ×ÏÈÒª½«ÌúË¿ÉϵÄÐâ´òÄ¥µô£¬È»ºóÔÚÌúË¿Ä©¶ËӦϵÉÏÒ»¸ù»ð²ñÒýȼÌúË¿£¬ÑõÆøŨ¶ÈÒª¸ß£¬ÕâÑùʵÑé²ÅÄܳɹ¦£®
£¨5£©¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽ¿ÉÖªÈÜÖÊÖÊÁ¿¨TÈÜÒºÖÊÁ¿¡ÁÈÜÖÊÖÊÁ¿·ÖÊý£¬ËùÒÔÈÜÒºÖÐË«ÑõË®µÄÖÊÁ¿=20mL¡Á1g/mL¡Á15%=3g£¬¶þÑõ»¯Ã̲»ÈÜÓÚË®£¬ËùÒÔ¿ÉÓùýÂ˲Ù×÷»ØÊÕ¶þÑõ»¯ÃÌ£®
¹Ê´ð°¸Îª£º£¨1£©2KMnO4
K2MnO4+MnO2+O2¡ü
£¨2£©ÒÒ¡¢¶¡
£¨3£©³¤¾±Â©¶·»ò׶ÐÎÆ¿
£¨4£©ÌúË¿ÉúÐâ
£¨5£©3g£¬¹ýÂË
| ||
£¨2£©ÒÒ×°ÖÃÊԹܿÚÏòÉÏÇãб£¬»áʹˮÖéµ¹Á÷ÈëÈȵÄÊԹܵ×ʹÊÔ¹ÜÕ¨ÁÑ£®¶¡×°ÖÃÖÐÓõÄÒ©Æ·Ö»ÓÐË®£¬Ã»ÓÐË«ÑõË®£®¹ÊÒÒ¡¢¶¡ÓдíÎó£®
£¨3£©²£Á§ÒÇÆ÷³ýÁ˵¼¹ÜÍ⻹Óг¤¾±Â©¶·»ò׶ÐÎÆ¿
£¨4£©ÌúË¿ÔÚÑõÆøÖÐȼÉÕʵÑéÊ×ÏÈÒª½«ÌúË¿ÉϵÄÐâ´òÄ¥µô£¬È»ºóÔÚÌúË¿Ä©¶ËӦϵÉÏÒ»¸ù»ð²ñÒýȼÌúË¿£¬ÑõÆøŨ¶ÈÒª¸ß£¬ÕâÑùʵÑé²ÅÄܳɹ¦£®
£¨5£©¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽ¿ÉÖªÈÜÖÊÖÊÁ¿¨TÈÜÒºÖÊÁ¿¡ÁÈÜÖÊÖÊÁ¿·ÖÊý£¬ËùÒÔÈÜÒºÖÐË«ÑõË®µÄÖÊÁ¿=20mL¡Á1g/mL¡Á15%=3g£¬¶þÑõ»¯Ã̲»ÈÜÓÚË®£¬ËùÒÔ¿ÉÓùýÂ˲Ù×÷»ØÊÕ¶þÑõ»¯ÃÌ£®
¹Ê´ð°¸Îª£º£¨1£©2KMnO4
| ||
£¨2£©ÒÒ¡¢¶¡
£¨3£©³¤¾±Â©¶·»ò׶ÐÎÆ¿
£¨4£©ÌúË¿ÉúÐâ
£¨5£©3g£¬¹ýÂË
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿