ÌâÄ¿ÄÚÈÝ

ÎÞÍÁÔÔÅàÊÇÒ»ÖÖÔÚÓªÑøÒºÖÐÅàÓýÖ²ÎïµÄÅ©Òµ¸ßм¼Êõ£¬ÓÐÁ¼ºÃµÄ·¢Õ¹Ç°¾°£®Ä³¿ÎÍâʵÑéС×éÒªÅäÖÆ150gÈÜÖÊÖÊÁ¿·ÖÊýΪ1.4%µÄÏõËá¼ØÈÜÒºÓÃÓÚÅäÖÆÓªÑøÒº£®
£¨1£©ÐèÏõËá¼Ø
 
g£¬ÐèË®
 
mL£¨Ë®µÄÃܶÈÊÇ1.0g/cm3£©
£¨2£©ÅäÖÆ´ËÏõËá¼ØÈÜÒºµÄ²½ÖèΪ
 
¡¢
 
ºÍ
 
£»ÅäÖƹý³ÌÖÐÓõ½µÄÒÇÆ÷ÓÐÒ©³×ºÍ½ºÍ·µÎ¹Ü
 
£®
£¨3£©ÈôÔÚÁ¿È¡Ë®Ê±¸©ÊÓ°¼ÒºÃæ×îµÍ´¦£¬ÆäËü²Ù×÷ÕýÈ·£¬ÔòËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýΪ
 
1.4%£¨Ì»ò£¼»ò=£©£®
·ÖÎö£º£¨1£©ÀûÓù«Ê½¡°ÈÜÖÊÖÊÁ¿=ÈÜÒºÖÊÁ¿¡ÁÈÜÖÊÖÊÁ¿·ÖÊý¡±¼ÆËãÅäÖƸÃÈÜÒºËùÐèÒª¹ÌÌåÈÜÖʵÄÖÊÁ¿£¬ÔÙÓÉ¡°ÈܼÁÖÊÁ¿=ÈÜÒºÖÊÁ¿-ÈÜÖÊÖÊÁ¿¡±ÇóµÃÈܼÁÖÊÁ¿£¬ÓÉÓÚÈܼÁΪҺÌåÐèʹÓÃÁ¿Í²Á¿È¡£¬ËùÒÔ»¹ÐèÒª½øÒ»²½Ëã³öÆäÌå»ý£ºÈܼÁµÄÌå»ý=
ÈܼÁµÄÖÊÁ¿
ÃܶÈ
£»
£¨2£©Ê¹ÓùÌÌåÈÜÖÊÅäÖÆÈÜÒº£¬ÔÚ¼ÆËã³öÅäÖÆËùÐèÈÜÖÊ¡¢ÈܼÁµÄÁ¿Ö®ºó£¬¾Í¿ªÊ¼³ÆÁ¿Ò©Æ·£®Ê×ÏÈÓÃÍÐÅÌÌìƽ³ÆÈ¡¹ÌÌåÈÜÖÊ£¬½ÓÏÂÀ´ÓÃÁ¿Í²Á¿È¡Ë®£¬¶¼µ¹ÈëÉÕ±­ÖÐÓò£Á§°ô½Á°èÖÁÍêÈ«Èܽ⣻
£¨3£©ÓÃÁ¿Í²Á¿È¡ÒºÌå¶ÁÊýʱÊÓÏßÓ¦Óë°¼ÒºÃæ×îµÍ´¦±£³ÖÔÚͬһˮƽÃæÉϼ´Æ½ÊÓ£¬¸©ÊÓ£¨´Ó¸ß´¦ÏòÏ¿´£©¡¢ÑöÊÓ£¨´ÓµÍ´¦ÏòÉÏ¿´£©¶¼ÊÇ´íÎó¶ÁÊý·¨£®¸©ÊÓ»áʹ¶ÁÊý´óÓÚʵ¼ÊÌå»ý£¬ÑöÊÓÔòÔì³É¶ÁÊýСÓÚʵ¼ÊÌå»ý£®
½â´ð£º½â£º£¨1£©ÏõËá¼ØµÄÖÊÁ¿=150g¡Á1.4%=2.1g£¬Ë®µÄÌå»ý=
150g-2.1g
1.0g/cm3
=147.9mL
¹Ê´ð°¸Îª£º2.1£»147.9£»
£¨2£©ÅäÖƹý³ÌΪ£º¼ÆËã³öÏõËá¼ØºÍË®µÄÁ¿£¬Ê¹ÓÃÌìƽ³ÆÈ¡2.1gÏõËá¼Øµ¹ÈëÉÕ±­£¬Ñ¡ÓÃ150mLÁ¿Í²Á¿È¡147.9mLË®µ¹ÈëÊ¢·ÅÏõËá¼ØµÄÉÕ±­ÖУ¬Óò£Á§°ô½Á°èÖÁ¹ÌÌåÈ«²¿Èܽ⣮¹ý³ÌÖÐÈ¡ÓùÌÌåÒ©Æ·ÒªÓÃÒ©³×²»¿ÉÓÃÊÖÖ±½ÓÄÃÈ¡£¬Ììƽ³ÆȡʱҩƷҪ·ÅÔÚÖ½Éϲ»¿ÉÖ±½Ó·Å½øÍÐÅÌÀï³ÆÈ¡£¬Á¿È¡Ë®Ê±ÒªÊ¹ÓýºÍ·µÎ¹ÜʹÁ¿È¡¸ü׼ȷ²¢Æ½ÊÓ£¬²»Äܸ©ÊÓ»òÑöÊÓ£¬½Á°èʱҪʹÍêÈ«Èܽ⣮
¹Ê´ð°¸Îª£º¼ÆË㣻³ÆÁ¿£»Èܽ⣻Ììƽ¡¢Á¿Í²¡¢ÉÕ±­¡¢²£Á§°ô£»
£¨3£©Á¿È¡Ë®Ê±¸©ÊÓ¶øʹ¶ÁÊý´óÓÚʵ¼ÊÌå»ý£¬¶ÁÊýΪ147.9mL¶øʵ¼ÊË®µÄÌå»ý²»×ã147.9mL£¬ÈܼÁÁ¿Æ«ÉÙ£¬ËùµÃÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýÆ«´ó£®
¹Ê´ð°¸Îª£º£¾£®
µãÆÀ£ºÁ¿Í²¶ÁÊýʱ£¬Ãæ¶Ô¿Ì¶ÈÏߣ¬ÊÓÏßÓë°¼ÒºÃæ×îµÍ´¦ÔÚͬһˮƽÃæÉÏ£¬ÊÓÏßÓë¿Ì¶ÈÏߵĽ»µã¼´¶ÁÊý£®¸©ÊÓ¶ÁÊý»áÆ«´ó£¬ÑöÊÓ¶ÁÊý»áƫС£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø