ÌâÄ¿ÄÚÈÝ
ϱíÁгöÁËÏõËá¼ØÔÚ²»Í¬Î¶ÈʱµÄÈܽâ¶È£®
ζÈ/¡æ | 0 | 10 | 20 | 30 | 40 | 50 | 60 |
Èܽâ¶È/g | 13.3 | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110 |
£¨1£©ÉÏÊöÈÜÒºÖеÄÈܼÁÊÇ______£¬ÉÏÊöʵÑé¹ý³ÌÖеõ½µÄÈÜÒºÒ»¶¨ÊôÓÚ²»±¥ºÍÈÜÒºµÄÊÇ______£¨ÌîÊý×ÖÐòºÅ£©£¬¢ÝËù¶ÔÓ¦µÄʵÑéÏÖÏóÊÇ______£®
£¨2£©ÊµÑé¹ý³ÌÖУ¬ÈÜÖʵÄÖÊÁ¿·ÖÊýÒ»¶¨ÏàµÈµÄÊÇ______£¨ÌîÊý×ÖÐòºÅ£©£®
£¨3£©ÎªÁË·ÀֹˮÌåÎÛȾ£¬Ð¡×éͬѧÌá³öÁËÈçÏ·½°¸´¦ÀíʵÑéºóµÄ·ÏÒº£º
²½ÖèI£º½«¢Ý¼ÌÐøÀäÈ´ÖÁ0¡æ£¬¹ýÂË£¬¹²¿É»ØÊյõ½KNO3¹ÌÌå______ g£®
²½ÖèII£ºÏòÂËÒºÖмÓÈë______ gˮϡÊÍ£¬µÃµ½ÈÜÖʵÄÖÊÁ¿·ÖÊýΪ1%µÄKNO3Ï¡ÈÜÒº£¬½«´ËÈÜÒº×öΪ»¨·ÊʹÓã®
½â£º£¨1£©ÏõËá¼ØÈÜÓÚË®µÃµ½µÄÈÜÒºÖÐÈܼÁÊÇË®£¬20¡æʱÏõËá¼ØµÄÈܽâ¶ÈΪ31.6g£¬½«25gÏõËá¼ØÈÜÓÚ100gË®Öеõ½µÄÈÜÒº¢ÙΪ²»±¥ºÍÈÜÒº£¬ÔÙ¼ÓÈë25gʱµÃµ½µÄÈÜÒº¢ÚΪ±¥ºÍÈÜÒºÇÒÓÐÏõËá¼ØÊ£Óà50g-31.6g=18.4g£¬½«¢ÚÈÜÒºÉýε½50¡æ£¬Òò50¡æʱÏõËá¼ØµÄÈܽâ¶ÈΪ85.5g£¬Òò´ËµÃµ½µÄÈÜÒº¢ÛΪ²»±¥ºÍÈÜÒº£¬ÔÙ¼ÓÈë25gµÃµ½µÄÈÜÒº¢ÜÈÔΪ²»±¥ºÍÈÜÒº£¬ÔÙ½µÎµ½20¡æʱµÃµ½µÄÈÜÒº¢ÝÊDZ¥ºÍÈÜÒºÇÒÎö³öÏõËá¼Ø¾§Ìå75g-31.6g=43.4g¹ÊÊôÓÚ²»±¥ºÍÈÜÒºµÄÊÇ¢Ù¢Û¢Ü
£¨2£©¢Ú¢Ý¶¼ÊÇ20¡æʱµÄ±¥ºÍÈÜÒº£¬Òò´ËÈÜÖÊÖÊÁ¿·ÖÊýÒ»¶¨ÏàµÈ
£¨3£©²½Öè¢ñ½«¢Ý¼ÌÐøÀäÈ´ÖÁ0¡æ£¬0¡æʱÏõËá¼ØµÄÈܽâ¶ÈΪ13.3g£¬Òò´ËÎö³ö¾§ÌåµÄÖÊÁ¿Îª75g-13.3g=61.7g
²½Öè¢ò£¬ÂËÒºÊÇ0¡æʱÏõËá¼ØµÄ±¥ºÍÈÜÒº£¬¼´100gË®ÖÐÈܽâÁË13.3gÏõËá¼Ø£¬Éè¼ÓË®µÄÖÊÁ¿Îªx
¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽ¿ÉµÃ1%=¡Á100% x=1216.7g
¹Ê´ð°¸Îª£¨1£©H2O£¨»òË®£©£¬¢Ù¢Û¢ÜÎö³ö¾§Ì壨ºÏÀí´ð°¸¾ù¿ÉµÃ·Ö£©£®
£¨2£©¢Ú¢Ý£®
£¨3£©²½ÖèI£º61.7£®
²½ÖèII£º1216.7
·ÖÎö£º£¨1£©¸ù¾ÝÈÜÒºÖÐÈÜÖÊÈܼÁµÄÅжϷ½·¨·ÖÎö£¬¸ù¾Ý±¥ºÍÈÜÒºÓë²»±¥ºÍÈÜÒºµÄÌØÕ÷ÅжÏ
£¨2£©¸ù¾ÝÈÜÒºÈÜÖÊÖÊÁ¿·ÖÊýÓëÈܽâ¶ÈµÄ¹Øϵ·ÖÎö
£¨3£©¸ù¾Ý½µÎÂÎö³ö¾§ÌåÓëÈܽâ¶ÈµÄ¹Øϵ·ÖÎö
µãÆÀ£º±¾Ì⿼²éÈܼÁµÄÅжϼ°±¥ºÍÈÜÒº²»±¥ºÍÈÜÒºµÄת»¯£¬Îö³ö¾§Ìå¼°ÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㣬ÐèÈÏÕæ·ÖÎöͼʾÖÐÈܼÁÈÜÖʵÄÖÊÁ¿ÓëÈܽâ¶ÈµÄ¹Øϵ£®
£¨2£©¢Ú¢Ý¶¼ÊÇ20¡æʱµÄ±¥ºÍÈÜÒº£¬Òò´ËÈÜÖÊÖÊÁ¿·ÖÊýÒ»¶¨ÏàµÈ
£¨3£©²½Öè¢ñ½«¢Ý¼ÌÐøÀäÈ´ÖÁ0¡æ£¬0¡æʱÏõËá¼ØµÄÈܽâ¶ÈΪ13.3g£¬Òò´ËÎö³ö¾§ÌåµÄÖÊÁ¿Îª75g-13.3g=61.7g
²½Öè¢ò£¬ÂËÒºÊÇ0¡æʱÏõËá¼ØµÄ±¥ºÍÈÜÒº£¬¼´100gË®ÖÐÈܽâÁË13.3gÏõËá¼Ø£¬Éè¼ÓË®µÄÖÊÁ¿Îªx
¸ù¾ÝÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㹫ʽ¿ÉµÃ1%=¡Á100% x=1216.7g
¹Ê´ð°¸Îª£¨1£©H2O£¨»òË®£©£¬¢Ù¢Û¢ÜÎö³ö¾§Ì壨ºÏÀí´ð°¸¾ù¿ÉµÃ·Ö£©£®
£¨2£©¢Ú¢Ý£®
£¨3£©²½ÖèI£º61.7£®
²½ÖèII£º1216.7
·ÖÎö£º£¨1£©¸ù¾ÝÈÜÒºÖÐÈÜÖÊÈܼÁµÄÅжϷ½·¨·ÖÎö£¬¸ù¾Ý±¥ºÍÈÜÒºÓë²»±¥ºÍÈÜÒºµÄÌØÕ÷ÅжÏ
£¨2£©¸ù¾ÝÈÜÒºÈÜÖÊÖÊÁ¿·ÖÊýÓëÈܽâ¶ÈµÄ¹Øϵ·ÖÎö
£¨3£©¸ù¾Ý½µÎÂÎö³ö¾§ÌåÓëÈܽâ¶ÈµÄ¹Øϵ·ÖÎö
µãÆÀ£º±¾Ì⿼²éÈܼÁµÄÅжϼ°±¥ºÍÈÜÒº²»±¥ºÍÈÜÒºµÄת»¯£¬Îö³ö¾§Ìå¼°ÈÜÖÊÖÊÁ¿·ÖÊýµÄ¼ÆË㣬ÐèÈÏÕæ·ÖÎöͼʾÖÐÈܼÁÈÜÖʵÄÖÊÁ¿ÓëÈܽâ¶ÈµÄ¹Øϵ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ϱíÁгöÁËÏõËá¼ØÔÚ²»Í¬Î¶ÈϵÄÈܽâ¶È£º
£¨1£©´Ó±í¸ñÖпÉÒԵõ½µÄÒ»ÌõÐÅÏ¢ÊÇ £®
£¨2£©ÔÚ20¡æʱ£¬Ïò100gË®ÖмÓÈë30gÏõËá¼Ø£¬ÐγɵÄÏõËá¼ØÈÜÒºÊÇ £¨Ìî¡°±¥ºÍ¡±»ò¡°²»±¥ºÍ¡±£©ÈÜÒº£¬´Ëʱ£¬ÏõËá¼ØÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ £®
£¨3£©ÇëÒÀ¾ÝÉϱí¸ø¶¨µÄÊý¾ÝÔÚÓұߵıí¸ñÖлæÖÆÈܽâ¶ÈÇúÏß
£¨4£©ÈçÒª½«100gÈÜÖÊÖÊÁ¿·ÖÊýΪ20%µÄÏõËá¼ØÈÜҺϡÊͳÉÈÜÖÊÖÊÁ¿·ÖÊýΪ10%µÄÏõËá¼ØÈÜÒº£¬Ðè¼ÓÈëË®µÄÖÊÁ¿Îª g£®
ζȣ¨¡æ£© | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
Èܽâ¶È£¨g£© | 13.3 | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110 | 138 | 169 | 202 |
£¨2£©ÔÚ20¡æʱ£¬Ïò100gË®ÖмÓÈë30gÏõËá¼Ø£¬ÐγɵÄÏõËá¼ØÈÜÒºÊÇ
£¨3£©ÇëÒÀ¾ÝÉϱí¸ø¶¨µÄÊý¾ÝÔÚÓұߵıí¸ñÖлæÖÆÈܽâ¶ÈÇúÏß
£¨4£©ÈçÒª½«100gÈÜÖÊÖÊÁ¿·ÖÊýΪ20%µÄÏõËá¼ØÈÜҺϡÊͳÉÈÜÖÊÖÊÁ¿·ÖÊýΪ10%µÄÏõËá¼ØÈÜÒº£¬Ðè¼ÓÈëË®µÄÖÊÁ¿Îª
ϱíÁгöÁËÏõËá¼ØÔÚ²»Í¬Î¶ÈʱµÄÈܽâ¶È£®
ijÐËȤС×é×öÁËÈçͼʵÑ飺ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
ζÈ/¡æ | 10 | 20 | 30 | 40 |
Èܽâ¶È/g | 20.9 | 31.6 | 45.8 | 63.9 |
A¡¢¢Ù¢Ú¢ÛÖÐÈÜÒº¶¼Îª²»±¥ºÍÈÜÒº |
B¡¢¢Ú¢ÛÖж¼º¬ÓÐÄ©ÈܽâµÄ¹ÌÌå |
C¡¢¢Ù¢Ú¢ÛÖÐÈÜÒºµÄÖÊÁ¿ÏàµÈ |
D¡¢¢ÛÖÐÈÜÖÊÖÊÁ¿·ÖÊý×î´ó |