ÑÀ¸àÊÇÎÒÃDz»¿ÉȱÉÙµÄÈÕÓÃÆ·£®
£¨1£©Éú»îÖÐʹÓõļӷúÑÀ¸àÖеġ°·ú¡±ÊÇÖ¸
 
£¨Ìî¡°Ô­×Ó¡±»ò¡°ÔªËØ¡±£©£®
£¨2£©ÑÀ¸àÖеÄĦ²Á¼ÁÊǼ«Ï¸Ð¡µÄ̼Ëá¸Æ·ÛÄ©£¬ËüµÄÉú²ú¹ý³ÌÈçͼËùʾ£º
¾«Ó¢¼Ò½ÌÍø
¢Ù²½Öè¢ñµÄ»ù±¾·´Ó¦ÀàÐÍΪ
 
£®
¢Ú²½Öè¢ò·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
£®
£¨3£©ÓÒͼÑÀ¸à˵Ã÷ÊéÖУ¬µ¥·úÁ×ËáÄÆ£¨Na2PO3F£©ÓÉ
 
ÖÖÔªËØ×é³É£®¸ÃÑÀ¸àÖе¥·úÁ×ËáÄÆ£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îª144£©µÄÖÊÁ¿·ÖÊýΪ
 
£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©£®
ÑÀ¸à˵Ã÷Êé
Ö÷Òª»îÐԳɷ֣ºµ¥·úÁ×ËáÄÆ
£¨Na2PO3F£©
ÑÀ¸àÖÊÁ¿£º100g
º¬      ·ú£º100mg
¹¦      Ð§£ºÔ¤·ÀÖûÑÀ
·ÖÎö£º¸ù¾ÝÒÑÓеÄ֪ʶ½øÐзÖÎö£¬¼Ó·úÑÀ¸àÖеķúÖ¸µÄÊÇ·úÔªËØ£¬Ì¼Ëá¸Æ¸ßÎÂÄÜ·Ö½âÉú³ÉÑõ»¯¸ÆºÍ¶þÑõ»¯Ì¼£¬Ñõ»¯¸ÆÄÜÓëË®»¯ºÏÉú³ÉÇâÑõ»¯¸Æ£¬¸ù¾Ýµ¥·úÁ×ËáÄƵĻ¯Ñ§Ê½¼´¿É¿´³öÆä×é³ÉÔªËØΪËÄÖÖ£¬¸ù¾ÝÑÀ¸à˵Ã÷Êé¿ÉÒÔÇóµÃµ¥·úÁ×ËáÄƵÄÖÊÁ¿·ÖÊý£®
½â´ð£º½â£º£¨1£©¼Ó·úÑÀ¸àÖеķúÖ¸µÄÊÇ·úÔªËØ£¬ËùÒÔ±¾Ìâ´ð°¸Îª£ºÔªËØ£»
£¨2£©¢Ù̼Ëá¸Æ¸ßÎÂÄÜ·Ö½âÉú³ÉÑõ»¯¸ÆºÍ¶þÑõ»¯Ì¼£¬´Ë·´Ó¦Îª·Ö½â·´Ó¦£¬ËùÒÔ±¾Ìâ´ð°¸Îª£º·Ö½â·´Ó¦£»
¢ÚÑõ»¯¸ÆÄÜÓëË®»¯ºÏÉú³ÉÇâÑõ»¯¸Æ£¬ËùÒÔ±¾Ìâ´ð°¸Îª£ºCaO+H2O=Ca£¨0H£©2£»
£¨3£©¸ù¾Ýµ¥·úÁ×ËáÄƵĻ¯Ñ§Ê½£¬Na2PO3F£¬ÓÉÄÆ¡¢Áס¢Ñõ¡¢·úËÄÖÖÔªËØ×é³É£¬¸ù¾ÝÑÀ¸à˵Ã÷Ê飬º¬·ú100mgÐèÒªµ¥·úÁ×ËáÄƵÄÖÊÁ¿Îªx£¬
19
144
=
100mg
x
£¬½âµÃx=757.9mg£¬ËùÒÔµ¥·úÁ×ËáÄƵÄÖÊÁ¿·ÖÊýΪ£º£º
757.9mg
100000mg
¡Á100%=0.76%£¬ËùÒÔ±¾Ìâ´ð°¸Îª£º0.76%£®
µãÆÀ£º±¾Ì⿼²éÁË̼Ëá¸Æ¡¢Ñõ»¯¸ÆÒÔ¼°ÇâÑõ»¯¸ÆÖ®¼äµÄת»¯£¬Íê³É´ËÌ⣬¿ÉÒÔÒÀ¾ÝÒÑÓеÄ֪ʶ½øÐУ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2011½ì±±¾©Êзą́ÇøÖп¼¶þÄ£»¯Ñ§ÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨5·Ö£©ÑÀ¸àÊÇÎÒÃDz»¿ÉȱÉÙµÄÈÕÓÃÆ·¡£
£¨1£©Éú»îÖÐʹÓõļӷúÑÀ¸àÖеġ°·ú¡±ÊÇÖ¸      £¨Ìî¡°Ô­×Ó¡±»ò¡°ÔªËØ¡±£©¡£
£¨2£©ÑÀ¸àÖеÄĦ²Á¼ÁÊǼ«Ï¸Ð¡µÄ̼Ëá¸Æ·ÛÄ©£¬ËüµÄÉú²ú¹ý³ÌÈçÓÒͼËùʾ£º

¢Ù²½Öè¢ñµÄ»ù±¾·´Ó¦ÀàÐÍΪ    ¡£
¢Ú²½Öè¢ò·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ       ¡£
£¨3£©ÓÒͼÑÀ¸à˵Ã÷ÊéÖУ¬µ¥·úÁ×ËáÄÆ£¨Na2PO3F£©ÓÉ       ÖÖÔªËØ×é³É¡£¸ÃÑÀ¸àÖе¥·úÁ×ËáÄÆ£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îª144£©µÄÖÊÁ¿·ÖÊýΪ         £¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÑÀ¸àÊÇÎÒÃDz»¿ÉȱÉÙµÄÈÕÓÃÆ·£®
£¨1£©Éú»îÖÐʹÓõļӷúÑÀ¸àÖеġ°·ú¡±ÊÇÖ¸________£¨Ìî¡°Ô­×Ó¡±»ò¡°ÔªËØ¡±£©£®
£¨2£©ÑÀ¸àÖеÄĦ²Á¼ÁÊǼ«Ï¸Ð¡µÄ̼Ëá¸Æ·ÛÄ©£¬ËüµÄÉú²ú¹ý³ÌÈçÓÒͼËùʾ£º
¢Ù²½Öè¢ñµÄ»ù±¾·´Ó¦ÀàÐÍΪ________£®
¢Ú²½Öè¢ò·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ________£®
£¨3£©ÓÒͼÑÀ¸à˵Ã÷ÊéÖУ¬µ¥·úÁ×ËáÄÆ£¨Na2PO3F£©ÓÉ________ÖÖÔªËØ×é³É£®¸ÃÑÀ¸àÖе¥·úÁ×ËáÄÆ£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îª144£©µÄÖÊÁ¿·ÖÊýΪ________£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©£®

ÑÀ¸à˵Ã÷Êé
Ö÷Òª»îÐԳɷ֣ºµ¥·úÁ×ËáÄÆ
£¨Na2PO3F£©
ÑÀ¸àÖÊÁ¿£º100g
º¬      ·ú£º100mg
¹¦      Ð§£ºÔ¤·ÀÖûÑÀ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º2011Äê±±¾©Êзą́ÇøÖп¼»¯Ñ§¶þÄ£ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

£¨2011?·ą́Çø¶þÄ££©ÑÀ¸àÊÇÎÒÃDz»¿ÉȱÉÙµÄÈÕÓÃÆ·£®
£¨1£©Éú»îÖÐʹÓõļӷúÑÀ¸àÖеġ°·ú¡±ÊÇÖ¸£¨Ìî¡°Ô­×Ó¡±»ò¡°ÔªËØ¡±£©£®
£¨2£©ÑÀ¸àÖеÄĦ²Á¼ÁÊǼ«Ï¸Ð¡µÄ̼Ëá¸Æ·ÛÄ©£¬ËüµÄÉú²ú¹ý³ÌÈçÓÒͼËùʾ£º
¢Ù²½Öè¢ñµÄ»ù±¾·´Ó¦ÀàÐÍΪ£®
¢Ú²½Öè¢ò·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£®
£¨3£©ÓÒͼÑÀ¸à˵Ã÷ÊéÖУ¬µ¥·úÁ×ËáÄÆ£¨Na2PO3F£©ÓÉÖÖÔªËØ×é³É£®¸ÃÑÀ¸àÖе¥·úÁ×ËáÄÆ£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îª144£©µÄÖÊÁ¿·ÖÊýΪ£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©£®
ÑÀ¸à˵Ã÷Êé
Ö÷Òª»îÐԳɷ֣ºµ¥·úÁ×ËáÄÆ
£¨Na2PO3F£©
ÑÀ¸àÖÊÁ¿£º100g
º¬      ·ú£º100mg
¹¦      Ð§£ºÔ¤·ÀÖûÑÀ

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸