ÌâÄ¿ÄÚÈÝ
ʵÑéÊÇ¿Æѧ̽¾¿µÄÖØҪ;¾¶£¬ÇëÍê³ÉÏÂÁÐÄÚÈÝ£º
¢ñ£®Ä³Ñ§ÉúµÄʵÑ鱨¸æËùÁгöµÄÏÂÁÐÊý¾ÝÖкÏÀíµÄÊÇ_____________¡£
A£®ÓÃ10mLÁ¿Í²×¼È·Á¿È¡7.1mLÏ¡ÑÎËá
B£®ÓÃÍÐÅÌÌìƽ³ÆÁ¿25.20g NaCl
C£®Óù㷶pHÊÔÖ½²âµÃijÈÜÒºµÄpHΪ2.3
D£®ÓÃ25mLµÎ¶¨¹Ü×öÖк͵ζ¨ÊµÑéʱ£¬ÓÃȥijŨ¶ÈµÄ¼îÈÜÒº21.70mL
¢ò£®ÓÃËáʽµÎ¶¨¹Ü׼ȷÒÆÈ¡25.00mLijδ֪Ũ¶ÈµÄÑÎËáÓÚÒ»½à¾»µÄ׶ÐÎÆ¿ÖУ¬È»ºóÓÃ0.20mol?L -1µÄÇâÑõ»¯ÄÆÈÜÒº(ָʾ¼ÁΪ·Ó̪)µÎ¶¨£¬µÎ¶¨½á¹ûÈçÏ£º
NaOHÆðʼ¶ÁÊý | NaOHÖÕµã¶ÁÊý | |
µÚÒ»´Î | 0.10mL | 18.40mL |
µÚ¶þ´Î | 0.30mL | 18.40mL |
£¨1£©¸ù¾ÝÒÔÉÏÊý¾Ý¿ÉÒÔ¼ÆËã³öÑÎËáµÄÎïÖʵÄÁ¿Å¨¶ÈΪ mol?L-1 £¨Ð¡Êýµãºó±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£
£¨2£©Åжϵζ¨ÖÕµãµÄÏÖÏóÊÇ ¡£
£¨3£©ÒÔϲÙ×÷Ôì³É²â¶¨½á¹ûÆ«¸ßµÄÔÒò¿ÉÄÜÊÇ £¨ÌîдÐòºÅ£©¡£
A£®Î´Óñê×¼ÒºÈóÏ´¼îʽµÎ¶¨¹Ü
B£®µÎ¶¨ÖÕµã¶ÁÊýʱ£¬¸©Êӵζ¨¹ÜµÄ¿Ì¶È£¬ÆäËü²Ù×÷¾ùÕýÈ·
C£®µÎ¶¨Ç°£¬µÎ¶¨¹Ü϶˼â×ìÖÐÓÐÆøÅÝ´æÔÚ£¬µÎ¶¨ÖÕµãʱÆøÅÝÏûʧ
D£®Ê¢×°Î´ÖªÒºµÄ׶ÐÎÆ¿ÓÃÕôÁóˮϴºó£¬Î´Óôý²âÒºÈóÏ´