ÎÒÊ¡Ê¢²úʯ»Òʯ£¬ÆäÖк¬ÓеÄÔÓÖÊΪ¶þÑõ»¯¹è£¨²»ÈÜÓÚË®¡¢¸ßÎÂÏÂÄÑÒÔ·Ö½âµÄËáÐÔÑõ»¯Î£®SÖÐѧ³õÈý»¯Ñ§Ñо¿ÐÔѧϰС×éµÄͬѧΪÁ˲ⶨij¿óɽʯ»ÒʯµÄ´¿¶È£¬È¡2.0g¸Ã¿óɽʯ»ÒʯÑùÆ·£¬½«20.0gÑÎËáƽ¾ù·Ö³É4·Ý£¬·Ö4´Î¼ÓÈëµ½ÑùÆ·ÖУ¬³ä·Ö·´Ó¦ºó²â¶¨Ê£Óà¹ÌÌåµÄÖÊÁ¿£¬Êý¾Ý¼ûÓÒ±í£®ÊÔÇó£º

£¨1£©2.0gʯ»ÒʯÑùÆ·ÖÐÔÓÖʵÄÖÊÁ¿£®

£¨2£©Ê¯»ÒʯÑùÆ·ÖÐ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊý£®

£¨3£©¼ÓÈëµÄÑÎËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ?

´ÎÊý

1

2

3

4

¼ÓÈëÑÎËáÖÊÁ¿/g

5.0

5.0

5.0

5.0

Ê£Óà¹ÌÌåÖÊÁ¿/g

1.3

0.6

0.2

0.2

 

 

´ð°¸£º
½âÎö£º

´ð°¸£º½â£º£¨1£©·ÖÎö²â¶¨Êý¾Ý£¬Öª2.0gʯ»ÒʯÖк¬ÔÓÖÊ0.2g

£¨2£©Ê¯»ÒʯÑùÆ·´¿¶È£½¡Á100£¥£½90£¥

£¨3£©¼ÓÈë5gÑÎËáÈܽâµÄÖÊÁ¿Îª£º2.0g£­1.3g£½0.7g

Éè0.7gÇ¡ºÃÈܽâËùÐèHClµÄÖÊÁ¿Îªx


Ìáʾ£º

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º¾öʤ2005¡¡Öп¼±Ø±¸»¯Ñ§ ÌâÐÍ£º038

¡¡

ÎÒÊ¡Ê¢²úʯ»Òʯ£¬ÆäÖк¬ÓеÄÔÓÖÊΪ¶þÑõ»¯¹è(²»ÈÜÓÚË®¡¢¸ßÎÂÏÂÄÑÒÔ·Ö½âµÄËáÐÔÑõ»¯Îï)£®Ä³ÖÐѧ³õÈý»¯Ñ§Ñо¿ÐÔѧϰС×éµÄͬѧΪÁ˲ⶨij¿óɽʯ»ÒʯµÄ´¿¶È£¬È¡2.0g¸Ã¿óɽʯ»ÒʯÑùÆ·£¬½«20.0gÑÎËáƽ¾ù·Ö³É4·Ý£¬·Ö4´Î¼ÓÈëµ½ÑùÆ·ÖУ¬³ä·Ö·´Ó¦ºó²â¶¨Ê£Óà¹ÌÌåµÄÖÊÁ¿£¬Êý¾Ýϼû±í£®ÊÔÇó£º

(1)2.0gʯ»ÒʯÑùÆ·ÖÐÔÓÖʵÄÖÊÁ¿£®

(2)ʯ»ÒʯÑùÆ·ÖÐ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊý£®

(3)¼ÓÈëµÄÑÎËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£ºµãÊԳɽ𡤻¯Ñ§¡¤Öп¼¿¼µã´óÍ»ÆÆ ÌâÐÍ£º038

ÎÒÊ¡Ê¢²úʯ»Òʯ£¬ÆäÖк¬ÓеÄÔÓÖÊΪ¶þÑõ»¯¹è(²»ÈÜÓÚË®£¬¸ßÎÂÏÂÄÑÒÔ·Ö½âµÄËáÐÔÑõ»¯Îï)£®Ä³SÖÐѧ³õÈý»¯Ñ§Ñо¿ÐÔѧϰС×éµÄͬѧΪÁ˲ⶨij¿óɽʯ»ÒʯµÄ´¿¶È£¬È¡2.0 g¸Ã¿óɽʯ»ÒʯÑùÆ·£¬½«20.0 gÑÎËáƽ¾ù·Ö³É4·Ý£¬·Ö4´Î¼ÓÈëµ½ÑùÆ·ÖУ¬³ä·Ö·´Ó¦ºó²â¶¨Ê£Óà¹ÌÌåµÄÖÊÁ¿£¬Êý¾Ý¼û±í

ÊÔÇó£º(1)2.0 gʯ»ÒʯÑùÆ·ÖÐÔÓÖʵÄÖÊÁ¿£®

(2)ʯ»ÒʯÑùÆ·ÖÐ̼Ëá¸ÆµÄÖÊÁ¿·ÖÊý£®

(3)¼ÓÈëµÄÑÎËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸