ÌâÄ¿ÄÚÈÝ
ij»¯Ñ§ÐËȤС×é½øÐÐÈÜÒºµÄÅäÖƺʹÖÑεijõ²½ÌᴿʵÑ飮
£¨1£©ÅäÖÆ145gÖÊÁ¿·ÖÊýΪ10%µÄÂÈ»¯ÄÆÈÜÒº£®
¢Ù¼ÆË㣺ÐèÒªÂÈ»¯ÄƹÌÌåµÄÖÊÁ¿Îª g£»Ë®µÄÌå»ýΪ mL£¨Ë®µÄÃܶÈԼΪ1g/cm3£©
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâºó£¬ÏȽ« gíÀÂë·ÅÔÚÍÐÅÌÌìƽµÄÓÒÅÌ£¬ÓÎÂëÒÆÖÁ g´¦£¨5gÒÔÏÂÓÃÓÎÂ룩£¬È»ºóÔÚ×óÅÌÌí¼Ó Ö±ÖÁÌìƽƽºâ£®
¢ÛÈܽ⣺ÓÃÁ¿Í²Á¿È¡ËùÐèµÄË®£¬µ¹ÈëÊ¢ÓÐÂÈ»¯ÄƹÌÌåµÄÉÕ±ÀÓà ½Á°è£¬Ê¹ÆäÈܽ⣮
¢Ü´æÖü£º°ÑÅäºÃµÄÈÜҺװÈëÊÔ¼ÁÆ¿£¬ÈûºÃÏðƤÈû²¢ÌùÉÏ £¬·Åµ½Ö¸¶¨µÄµØ·½£®
£¨2£©´ÖÑεijõ²½ÌᴿʵÑ飮
³ÆÈ¡5.0g´ÖÑΣ¬ÓÃÒ©³×Öð½¥¼ÓÈë10mLË®ÖУ¬Ö±µ½´ÖÑβ»ÔÙÈܽâΪֹ£¬È»ºó½øÐйýÂË£®¹ýÂ˲Ù×÷ÈçͼËùʾ£¬Ö¸³öÆäÖеĴíÎóÖ®´¦£º £» £®
£¨1£©ÅäÖÆ145gÖÊÁ¿·ÖÊýΪ10%µÄÂÈ»¯ÄÆÈÜÒº£®
¢Ù¼ÆË㣺ÐèÒªÂÈ»¯ÄƹÌÌåµÄÖÊÁ¿Îª
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâºó£¬ÏȽ«
¢ÛÈܽ⣺ÓÃÁ¿Í²Á¿È¡ËùÐèµÄË®£¬µ¹ÈëÊ¢ÓÐÂÈ»¯ÄƹÌÌåµÄÉÕ±ÀÓÃ
¢Ü´æÖü£º°ÑÅäºÃµÄÈÜҺװÈëÊÔ¼ÁÆ¿£¬ÈûºÃÏðƤÈû²¢ÌùÉÏ
£¨2£©´ÖÑεijõ²½ÌᴿʵÑ飮
³ÆÈ¡5.0g´ÖÑΣ¬ÓÃÒ©³×Öð½¥¼ÓÈë10mLË®ÖУ¬Ö±µ½´ÖÑβ»ÔÙÈܽâΪֹ£¬È»ºó½øÐйýÂË£®¹ýÂ˲Ù×÷ÈçͼËùʾ£¬Ö¸³öÆäÖеĴíÎóÖ®´¦£º
¿¼µã£ºÒ»¶¨ÈÜÖÊÖÊÁ¿·ÖÊýµÄÈÜÒºµÄÅäÖÆ,¹ýÂ˵ÄÔÀí¡¢·½·¨¼°ÆäÓ¦ÓÃ,ÂÈ»¯ÄÆÓë´ÖÑÎÌá´¿
רÌ⣺ÈÜÒº¡¢×ÇÒºÓëÈܽâ¶È,³£¼ûµÄÑÎ »¯Ñ§·ÊÁÏ
·ÖÎö£º£¨1£©¢ÙÀûÓÃÒ»¶¨Á¿ÈÜÒºÖÐÈÜÖÊÖÊÁ¿=ÈÜÒºÖÊÁ¿¡ÁÈÜÖʵÄÖÊÁ¿·ÖÊý£¬ÈܼÁÖÊÁ¿=ÈÜÒºÖÊÁ¿-ÈÜÖÊÖÊÁ¿£¬¼ÆËãÅäÖÆÈÜÒºËùÐèÒªÈÜÖÊ¡¢ÈܼÁµÄÁ¿£»
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâºó£¬Ó¦ÏÈÔÚÓÒÅÌ·Å10gíÀÂ룬ÔÙ½«ÓÎÂëÒÆÖÁ4.5g£»×îºóÔÚ×óÅÌÌí¼ÓÒ©Æ·ÂÈ»¯ÄÆÖ±ÖÁÌìƽƽºâ£»
¢ÛΪÁ˼ӿìÂÈ»¯ÄƵÄÈܽ⣬ӦʹÓò£Á§°ô½øÐнÁ°è£¬¿ÉÒԾݴË×÷´ð£»
¢ÜÅäÖÆÍê±ÏµÄÈÜÒºÓ¦ÌùÉϱêÇ©´æ·Å£¬¿ÉÒԾݴË×÷´ð£»
£¨2£©¸ù¾Ý¹ýÂ˲Ù×÷µÄÒªÇó¡°Ò»Ìù¶þµÍÈý¿¿¡±£¬¹Û²ìͼʾµÄ²Ù×÷£¬Ö¸³ö²Ù×÷ÖдæÔڵĴíÎó£®
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâºó£¬Ó¦ÏÈÔÚÓÒÅÌ·Å10gíÀÂ룬ÔÙ½«ÓÎÂëÒÆÖÁ4.5g£»×îºóÔÚ×óÅÌÌí¼ÓÒ©Æ·ÂÈ»¯ÄÆÖ±ÖÁÌìƽƽºâ£»
¢ÛΪÁ˼ӿìÂÈ»¯ÄƵÄÈܽ⣬ӦʹÓò£Á§°ô½øÐнÁ°è£¬¿ÉÒԾݴË×÷´ð£»
¢ÜÅäÖÆÍê±ÏµÄÈÜÒºÓ¦ÌùÉϱêÇ©´æ·Å£¬¿ÉÒԾݴË×÷´ð£»
£¨2£©¸ù¾Ý¹ýÂ˲Ù×÷µÄÒªÇó¡°Ò»Ìù¶þµÍÈý¿¿¡±£¬¹Û²ìͼʾµÄ²Ù×÷£¬Ö¸³ö²Ù×÷ÖдæÔڵĴíÎó£®
½â´ð£º½â£º£¨1£©¢ÙÅäÖÆ145gÖÊÁ¿·ÖÊýΪ10%µÄÂÈ»¯ÄÆÈÜÒº£®ÐèÒªÂÈ»¯ÄƵÄÖÊÁ¿=145g¡Á10%=14.5g£¬ÐèҪˮµÄÖÊÁ¿=145g-14.5g=130.5g£¬¶øË®µÄÃܶÈΪ1g/mL£¬ËùÒÔÐèË®µÄÌå»ýΪ130.5mL£»
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâºó£¬Ó¦ÏÈÔÚÓÒÅÌ·Å10gíÀÂ룬ÔÙ½«ÓÎÂëÒÆÖÁ4.5g£»×îºóÔÚ×óÅÌÌí¼ÓÒ©Æ·ÂÈ»¯ÄÆÖ±ÖÁÌìƽƽºâ£»
¢ÛÈ»ºóÓÃÁ¿Í²À´Á¿È¡130.5mLË®£¬¼ÓÈëÊ¢ÓÐÂÈ»¯ÄƵÄÉÕ±ÖУ¬Óò£Á§½Á°è£¬À´¼Ó¿ìÂÈ»¯ÄƵÄÈܽ⣬ÖÁÈ«²¿ÈܽâÀäÈ´¼´ÅäµÃÂÈ»¯ÄÆÈÜÒº£»
¢ÜΪÁËÄܹ»·½±ãµÄʶ±ð¸ÃÈÜÒº£¬ÅäÖÆÍê³ÉºóÓ¦ÌùÉϱêÇ©±£´æ£»
£¨2£©Í¼Ê¾µÄ¹ýÂ˲Ù×÷´æÔÚ´íÎó£ºÎ´Óò£Á§°ôÒýÁ÷£»Â©¶·Ï¶˼â×ìδ½ô¿¿ÉÕ±µÄÄÚ±Ú£»
´ð°¸£º£¨1£©¢Ù14.5£»130.5 ¢Ú10 4.5 ÂÈ»¯ÄƹÌÌå ¢Û²£Á§°ô ¢Ü±êÇ©
£¨2£©Ã»ÓÐÓò£Á§°ôÒýÁ÷£» ©¶·Ï¶˹ܿÚûÓнô¿¿ÉÕ±ÄÚ±Ú£»
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâºó£¬Ó¦ÏÈÔÚÓÒÅÌ·Å10gíÀÂ룬ÔÙ½«ÓÎÂëÒÆÖÁ4.5g£»×îºóÔÚ×óÅÌÌí¼ÓÒ©Æ·ÂÈ»¯ÄÆÖ±ÖÁÌìƽƽºâ£»
¢ÛÈ»ºóÓÃÁ¿Í²À´Á¿È¡130.5mLË®£¬¼ÓÈëÊ¢ÓÐÂÈ»¯ÄƵÄÉÕ±ÖУ¬Óò£Á§½Á°è£¬À´¼Ó¿ìÂÈ»¯ÄƵÄÈܽ⣬ÖÁÈ«²¿ÈܽâÀäÈ´¼´ÅäµÃÂÈ»¯ÄÆÈÜÒº£»
¢ÜΪÁËÄܹ»·½±ãµÄʶ±ð¸ÃÈÜÒº£¬ÅäÖÆÍê³ÉºóÓ¦ÌùÉϱêÇ©±£´æ£»
£¨2£©Í¼Ê¾µÄ¹ýÂ˲Ù×÷´æÔÚ´íÎó£ºÎ´Óò£Á§°ôÒýÁ÷£»Â©¶·Ï¶˼â×ìδ½ô¿¿ÉÕ±µÄÄÚ±Ú£»
´ð°¸£º£¨1£©¢Ù14.5£»130.5 ¢Ú10 4.5 ÂÈ»¯ÄƹÌÌå ¢Û²£Á§°ô ¢Ü±êÇ©
£¨2£©Ã»ÓÐÓò£Á§°ôÒýÁ÷£» ©¶·Ï¶˹ܿÚûÓнô¿¿ÉÕ±ÄÚ±Ú£»
µãÆÀ£º×¢Òâ¹ýÂ˲Ù×÷ÒªÇ󣺡°Ò»ÌùÁ½µÍÈý¿¿¡±¼´£ºÒ»Ìù£¬ÂËÖ½½ôÌù©¶·ÄÚ±Ú£»Á½µÍ£¬ÂËÖ½µÍÓÚ©¶·£¬ÒºÃæµÍÓÚÂËÖ½±ßÑØ£»Èý¿¿£¬²£Á§°ôÄ©¶ËÒªÓëÂËÖ½Èý²ã´¦Ïà¿¿£¬ÉÕ±×ìÒªÓë²£Á§°ôÖв¿Ïà¿¿£¬Â©¶·Ï¶˿ÚÒªÓëÉÕ±ÄÚ±ÚÏà¿¿£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿