Question

²»Í¬Å¨¶ÈµÄÁòËáÓëп·´Ó¦Ê±£¬ÁòËá¿ÉÒÔ±»»¹Ô­ÎªSO₂£¬Ò²¿É±»»¹Ô­ÎªH₂¡£ÎªÁËÑéÖ¤ÕâÒ»ÊÂʵ£¬Ä³Í¬Ñ§ÄâÓÃÈçͼËùʾװÖýøÐÐʵÑ飨ʵÑéʱѹǿΪ101 kPa£¬Î¶ÈΪ0 ¡æ£©¡£

 

£¨1£©ÈôÔÚÉÕÆ¿ÖзÅÈë0.65 gпÁ££¬Óëc mol¡¤L^£­1µÄH₂SO₄·´Ó¦£¬Îª±£Ö¤ÊµÑé½áÂ۵Ŀɿ¿£¬Á¿Æø¹ÜµÄÊÊÒ˹æ¸ñÊÇ                 ¡£

A£®200 mL¡¡¡¡              B£®300 mL¡¡¡¡             C£®400 mL

£¨2£©Èô0.65gпÁ£ÍêÈ«Èܽ⣬װÖâó ÔöÖØ0.64 g£¬ÔòÔ²µ×ÉÕÆ¿Öз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ                                                    £»

£¨3£©ÈôÉÕÆ¿ÖÐͶÈëa gпÇÒÍêÈ«·´Ó¦£¬ÇâÑõ»¯ÄÆÏ´ÆøÆ¿ÔöÖØb g£¬Á¿Æø¹ÜÖÐÊÕ¼¯µ½V mLÆøÌ壬ÔòÓУºa g¡Â65 g¡¤mol^£­1¡Á2£½b g¡Â64 g¡¤mol^£­1¡Á2+V mL¡Â22400 mL¡¤mol^£­1¡Á2£¬¸ÃµÈʽÒÀ¾ÝµÄÔ­ÀíÊÇ                            £»

£¨4£©ÈôÔÚÉÕÆ¿ÖÐͶÈë10gп£¬¼ÓÈëÒ»¶¨Á¿µÄ18 mol¡¤L^£­1ŨÁòËá10 mL£¬³ä·Ö·´Ó¦ºóпÓÐÊ£Ó࣬²âµÃ×°Öâó ÔöÖØ3.2 g£¬ÔòÕû¸öʵÑé¹ý³Ì²úÉúµÄÆøÌåÖУ¬m(SO₂)/m(H₂)=     £»Èô³·×ß×°ÖâòÖÐÊ¢ÓÐÎÞË®ÂÈ»¯¸ÆµÄUÐιܣ¬m(SO₂) / m(H₂)µÄÊýÖµ½«        £¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÎÞÓ°Ï족£©¡£

Answer 1

£¨1£©B                                 £¨3·Ö£©

£¨2£©Zn£«2H₂SO₄(Ũ) =ZnSO₄£«SO₂¡ü£«2H₂O£¨3·Ö£©

£¨3£©×ªÒƵç×ÓÊغ㠠                    £¨3·Ö£©    

£¨4£©20£º1             £¨3·Ö£©                 ¡¡Æ«´ó£¨3·Ö£©