ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³»¯Ñ§ÐËȤС×éµÄͬѧÔÚʵÑéÊÒÅäÖÆÖÊÁ¿·ÖÊýΪ8£¥µÄÇâÑõ»¯ÄÆÈÜÒº£¬²¢ÓÃÆä²â¶¨Ä³Ï¡ÑÎËáÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý¡£
£¨1£©ÅäÖÆ200gÖÊÁ¿·ÖÊýΪ8£¥µÄÇâÑõ»¯ÄÆÈÜÒº¡£
¢Ù¼ÆË㣺ÐèÒªÇâÑõ»¯ÄƹÌÌåµÄÖÊÁ¿Îª g£¬Ë®µÄÌå»ýΪ mL(Ë®µÄÃܶȽüËÆ¿´×÷1g£¯cm3)¡£
¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâ£¬½«Ò»¸öÉÕ±·ÅÔÚÍÐÅÌÌìƽµÄ ÅÌ£¬³ÆÁ¿ÆäÖÊÁ¿¡£È»ºó (°´²Ù×÷µÄÏȺó˳ÐòÑ¡Ìî×Öĸ)£¬Ö±ÖÁÌìƽƽºâ¡£
A£®½«ÇâÑõ»¯ÄƹÌÌå¼ÓÈëÉÕ±ÖÐ
B£®°´ÐèÒªÌí¼ÓíÀÂë¡¢Òƶ¯ÓÎÂë
¸Ã²½ÖèÖÐÓÃÉÕ±¶ø²»ÓÃÖ½³ÆÁ¿ÇâÑõ»¯ÄƵÄÔÒòÊÇ £®
¢ÛÈܽ⣺ÓÃÁ¿Í²Á¿È¡ËùÐèµÄË®£¬µ¹ÈëÊ¢ÓÐÇâÑõ»¯ÄƹÌÌåµÄÉÕ±À½Á°è£¬Ê¹ÆäÈܽ⣬²¢ÀäÈ´ÖÁÊÒΡ£
¢Ü°ÑÅäºÃµÄÈÜҺװÈëÊÔ¼ÁÆ¿£¬ÈûºÃÏðƤÈû²¢ÌùÉϱêÇ©¡£
¡¾´ð°¸¡¿¢Ù16 184 ¢Ú ×ó BA ¢ÛNaOHÓи¯Ê´ÐÔ
¢Ü
ÇâÑõ»¯ÄÆÈÜÒº |
8% |
¡¾½âÎö¡¿
ÊÔÌâ·ÖÎö£º£¨1£©ÅäÖÆ200gÖÊÁ¿·ÖÊýΪ8£¥µÄÇâÑõ»¯ÄÆÈÜÒº£»¢Ù¼ÆË㣺ÐèÒªÇâÑõ»¯ÄƹÌÌåµÄÖÊÁ¿Îª200g¡Á8%=16g£¬Ë®µÄÌå»ýΪ£¨200g16g£©¡Â1g£¯cm3)=184mL(Ë®µÄÃܶȽüËÆ¿´×÷1g£¯cm3)¡£¢Ú³ÆÁ¿£ºµ÷½ÚÍÐÅÌÌìƽƽºâ£¬°´ÕÕÍÐÅÌÌìƽµÄʹÓ÷½·¨¡°×óÎïÓÒÂ롱½øÐгÆÁ¿£¬¹Ê½«Ò»¸öÉÕ±·ÅÔÚÍÐÅÌÌìƽµÄ×óÅÌ£¬³ÆÁ¿ÆäÖÊÁ¿¡£È»ºó£¬ B£®°´ÐèÒªÌí¼ÓíÀÂë¡¢ÔÙA£®½«ÇâÑõ»¯ÄƹÌÌå¼ÓÈëÉÕ±ÖУ¬Òƶ¯ÓÎÂëÖ±ÖÁÌìƽƽºâ¡£¸Ã²½ÖèÖÐÓÃÉÕ±¶ø²»ÓÃÖ½³ÆÁ¿ÇâÑõ»¯ÄƵÄÔÒòÊÇNaOHÓи¯Ê´ÐÔ£»¢ÛÈܽ⣺ÓÃÁ¿Í²Á¿È¡ËùÐèµÄË®£¬µ¹ÈëÊ¢ÓÐÇâÑõ»¯ÄƹÌÌåµÄÉÕ±À½Á°è£¬Ê¹ÆäÈܽ⣬²¢ÀäÈ´ÖÁÊÒΡ£¢Ü°ÑÅäºÃµÄÈÜҺװÈëÊÔ¼ÁÆ¿£¬ÈûºÃÏðƤÈû²¢ÌùÉϱêÇ©¡£
¡¾ÌâÄ¿¡¿³ýÈ¥ÏÂÁÐÎïÖÊÖеÄÉÙÁ¿ÔÓÖÊ£¬ËùÑ¡ÓõÄÊÔ¼Á¼°²Ù×÷·½·¨¾ùÕýÈ·µÄÊÇ
Ñ¡Ïî | ÎïÖÊ£¨À¨ºÅÄÚΪÔÓÖÊ£© | ÊÔ¼Á | ²Ù×÷·½·¨ |
A | HCl (CO2) | ÊÊÁ¿NaOHÈÜÒº | Ï´Æø |
B | NaCl (Na2CO3) | ÊÊÁ¿Ï¡ÁòËá | Õô·¢¡¢½á¾§ |
C | CaO (CaCO3) | ×ãÁ¿Ë® | Èܽ⡢¹ýÂË¡¢¸ÉÔï |
D | Ï¡ÏõËá (Ï¡ÁòËá) | ÊÊÁ¿ÏõËá±µÈÜÒº | ¹ýÂË |