ÌâÄ¿ÄÚÈÝ
ΪÑéÖ¤Ñõ»¯ÐÔ£¬Ä³Ð¡×éÓÃÏÂͼËùʾװÖýøÐÐʵÑ飨¼Ð³ÖÒÇÆ÷ºÍ¼×ÖмÓÈÈ×°ÖÃÒÑÂÔ£¬ÆøÃÜÐÔÒѼìÑ飩¡£
ʵÑé²½Ö裺
1.ÔÚ¼××°ÖÃÖУ¬´ò¿ª»îÈûa£¬¼ÓÈÈ£¬´ý×°ÖÃÖгäÂú»ÆÂÌÉ«ÆøÌåʱ£¬Óë±û×°ÖÃÁ¬½Ó¡£
2.µ±±û×°ÖÃÖÐFeC12ÈÜÒº±ä»Æʱ£¬Í£Ö¹¼ÓÈÈ¡£
3.´ò¿ª»îÈûc£¬Ê¹Ô¼2mLµÄÈÜÒºµÎÈëÊÔ¹ÜÖУ¬¼ìÑéÈÜÒºÖеÄÀë×Ó¡£
4.ÔÚÒÒ×°ÖÃÖУ¬´ò¿ª»îÈûb£¬´ý¿ÕÆøÅž¡ºó£¬½«ÒÒÖвúÉúµÄÆøÌåͨÈëÉÏÊö±û×°Öñä»ÆºóµÄÈÜÒºÖУ¬Ò»¶Îʱ¼äºó£¬Í£Ö¹¡£
5.¸üбûÖÐÊԹܣ¬´ò¿ª»îÈûc£¬Ê¹Ô¼2mLµÄÈÜÒºµÎÈëÊÔ¹ÜÖУ¬¼ìÑéÈÜÒºÖеÄÀë×Ó¡£
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼×Öз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ______________________¡£
£¨2£©ÓÃ70%µÄÁòËáÖÆÈ¡SO2£¬·´Ó¦ËÙÂʱÈÓÃ98%µÄÁòËá¿ì£¬ÔÒòÊÇ_______ _____¡£
£¨3£©ÊµÑéÖУ¬Ö¤Ã÷Ñõ»¯ÐÔFe3+£¾SO2µÄÀë×Ó·½³ÌʽΪ______ _______¡£
£¨4£©ÓÐI¡¢II¡¢IIIÈý×éͬѧ·Ö±ðÍê³ÉÁËÉÏÊöʵÑ飬ʵÑé½á¹ûÈçÏ£º
ÉÏÊöʵÑé½á¹ûÒ»¶¨Äܹ»Ö¤Ã÷µÄÊÇ______£¨Ìî¡°I¡±¡¢¡°II¡±»ò¡°III¡±£©¡£
2
³£ÎÂÏ£¬Å¨¶È¾ùΪ0£®1 mol/L µÄÏÂÁÐËÄÖÖÑÎÈÜÒº£¬ÆäpH²â¶¨ÈçϱíËùʾ£º
ÐòºÅ | ¢Ù | ¢Ú | ¢Û | ¢Ü |
ÈÜÒº | CH3COONa | NaHCO3 | Na2CO3 | NaClO |
pH | 8£®8 | 9£®7 | 11£®6 | 10£®3 |
ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨ £©
A£®ËÄÖÖÈÜÒºÖУ¬Ë®µÄµçÀë³Ì¶È¢Ù£¾¢Ú£¾¢Ü£¾¢Û
B£®Na2CO3ºÍNaHCO3ÈÜÒºÖУ¬Á£×ÓÖÖÀàÏàͬ
C£®½«µÈŨ¶ÈµÄCH3COOHºÍHClOÈÜÒº±È½Ï£¬pHСµÄÊÇHClO
D£®Na2CO3ÈÜÒºÖУ¬ c(Na£«)£½c(CO32£)£«c(HCO3£)£«c(H2CO3)
ÏÂÁÐʵÑé²Ù×÷¼°ÏÖÏóÄܹ»´ïµ½¶ÔÅöʵÑéÄ¿µÄµÄÊÇ
Ñ¡Ïî | ʵÑé²Ù×÷¼°ÏÖÏó | ʵÑéÄ¿µÄ |
A | ÈÜÒºÖеμÓÑÎËáËữÂÈ»¯±µÈÜÒº³öÏÖ°×É«³Áµí | ¼ìÑéÈÜÒºÖдæÔÚSO42£ |
B | FeBr2ÈÜÒº¼ÓÈëÉÙÁ¿ÂÈË®,ÈÜÒºÓÐdzÂÌÉ«±äΪ»ÆÉ« | ±È½ÏFe2+¡¢Br£»¹ÔÐÔÇ¿Èõ |
C | ÏòÒ»¶¨Å¨¶ÈNa2SiO3ÈÜÒºÖÐͨCO2£¬ÈÜÒº±ä»ë×Ç | ±È½ÏC ¡¢Si·Ç½ðÊôÐÔÇ¿Èõ |
D | ½«ÆøÌåͨÈë±¥ºÍ̼ËáÄÆÈÜÒºµÄÏ´ÆøÆ¿ | ³ýÈ¥ÖÐCO2µÄSO2 |