A.+→
B.→+
C.+→
D.→+
答案:D
若将50 g 18%的NaOH溶液和50 g 18%的盐酸混合,下列叙述正确的是( )
A.混合溶液的pH=7
B.溶液混合前后的温度不变
C.混合溶液质量为100 g
D.混合溶液中生成物的溶质质量分数仍为18%
Project success depends on a number of interrelated factors, including time, cost, and scope control. However, the success of any project depends primarily on ______ .
A.customer acceptance
B.customer satisfaction
C.customer compromise in defining its needs
D.exceeding customer requirements through gold-plating