銆婂嚑绉嶉噸瑕佺殑閲戝睘銆?0-07骞撮珮鑰冮閫夌紪

鍛介鑼冨洿锛欬br>浜烘暀鐗?鏅€?+楂樹簩鍖栧(蹇呬慨+閫変慨)+鈥滅鍥涚珷鈥斺€斻€婂嚑绉嶉噸瑕佺殑閲戝睘銆嬧€滭br>瀵硅繎鍑犲勾楂樿€冭瘯棰樹腑閲戝睘閮ㄥ垎鐨勭浉鍏宠瘯棰樿繘琛屽綊绾崇粌涔燑br>涓€銆侀€夋嫨棰楛br>1.锛?000骞夸笢11锛夋妸a g閾侀摑鍚堥噾绮夋湯婧朵簬瓒抽噺鐩愰吀涓紝鍔犲叆杩囬噺NaOH婧舵恫銆傝繃婊ゅ嚭娌夋穩锛岀粡娲楁钉銆佸共鐕ャ€佺伡鐑э紝寰楀埌绾㈡鑹茬矇鏈殑璐ㄩ噺浠嶄负a g锛屽垯鍘熷悎閲戜腑閾佺殑璐ㄩ噺鍒嗘暟涓? )
A.70% B.52.4% C.47.6% D.30%
2.锛?000涓婃捣4锛変笅鍒楃墿璐ㄤ腑锛屼笉灞炰簬鍚堥噾鐨勬槸( )
A.纭摑 B.榛勯摐 C.閽㈤搧 D.姘撮摱