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{cssStyle:'.index-widget-tabgroup .tab li:nth-child(3) {display: none} [href*="/mobile/webapp/place/linesearch/foo=bar/from=place&end=word"], [data-url*="/mobile/webapp/place/linesearch/foo=bar/from=place&end=word"], .hotel-widget-detailpoicard .buttons .callnatohere { display: ...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供实验室需配制500 mL 0.1 mol/L的Na2CO3溶液,以下操作正确的是 ( )A.称取4.77 g Na2CO3固体溶于水配成500mL溶液B.称取5.3 g Na2CO3固体溶于水配成500 mL溶液C.称取12.9 g Na2CO3·10H2O固体溶于水配