Question

6£®´¿Å£Ä̵ÄÃܶÈΪ£¨1.1¡«1.2£©¡Á10³kg/m³£¬ÀîÃ÷ºÜÏëÖªµÀѧУÿÌìÓªÑø²ÍÖеÄÅ£ÄÌÊDz»ÊÇ´¿Å£ÄÌ£®ËûºÍ¼¸¸öͬѧ¸ù¾ÝËùѧÃܶÈ֪ʶ½øÐÐÁËÈçϲⶨ£ºÊ×ÏÈÓÃÌìƽ³Æ³öÒ»ºÐÅ£Ä̵ÄÖÊÁ¿ÊÇ250g£¬ºÈÍêÔٳƵÿպÐÖÊÁ¿ÊÇ26g£¬È»ºóÈÏÕæ¹Û²ìÅ£Ä̺У¬·¢ÏÖÅ£Ä̵ľ»º¬Á¿ÊÇ200ml£® ÎÊ£º
£¨1£©ºÐÖÐÅ£Ä̵ÄÖÊÁ¿ÊǶàÉÙg£¿
£¨2£©¾­ËûÃǼì²â¼ÆËãÅ£Ä̵ÄÃܶÈÊǶàÉÙ£¿Í¬Ñ§ÃǺȵÄÅ£ÄÌÊÇ·ñ·ûºÏ´¿Å£Ä̱ê×¼£¿

Answer 1

·ÖÎö £¨1£©ÖªµÀÒ»ºÐÅ£Ä̺ͿպеÄÖÊÁ¿£¬¿ÉÇóºÐÖÐÅ£Ä̵ÄÖÊÁ¿£»
£¨2£©ÖªµÀÌå»ý£¬ÀûÓÃÃܶȹ«Ê½ÇóÅ£Ä̵ÄÃܶȣ¬È»ºóºÍ´¿Å£Ä̵ÄÃܶȷ¶Î§±È½ÏµÃ³öÊÇ·ñ·ûºÏ´¿Å£Ä̱ê×¼£®

½â´ð ½â£º
£¨1£©Ò»ºÐÅ£Ä̵Ä×ÜÖÊÁ¿m₁=250g£¬¿ÕºÐÖÊÁ¿m₂=26g£¬
Å£Ä̵ÄÖÊÁ¿£ºm=m₁-m₂=250g-26g=224g£¬
£¨2£©Å£Ä̵ÄÌå»ý£ºV=200ml=200cm³£¬
Å£Ä̵ÄÃܶȣº
¦Ñ=$\frac{m}{V}$=$\frac{224g}{200c{m}^{3}}$=1.12g/cm³=1.12¡Á10³kg/m³£¬
ͨ¹ý¼ÆËã¿ÉÖª£¬Ëù²âÅ£Ä̵ÄÃܶÈÔÚ£¨1.1¡«1.2£©¡Á10³kg/m³µÄ·¶Î§Ö®ÄÚ£¬¸ÃÅ£ÄÌ·ûºÏ´¿Å£Ä̱ê×¼£®
´ð£º£¨1£©ºÐÖÐÅ£Ä̵ÄÖÊÁ¿ÊÇ224g£»
£¨2£©¾­ËûÃǼì²â¼ÆËãÅ£Ä̵ÄÃܶÈÊÇ1.12¡Á10³kg/m³£¬Í¬Ñ§ÃǺȵÄÅ£ÄÌ·ûºÏ´¿Å£Ä̱ê×¼£®

µãÆÀ ±¾Ì⿼²éÁËÃܶȹ«Ê½µÄÓ¦Ó㬼ÆËãʱעÒⵥλ»»Ë㣺1ml=1cm³£¬1g/cm³=1¡Á10³kg/m³£®ÌâÄ¿ÄѶȲ»´ó£¬ÊôÓÚ»ù´¡Ì⣮