[T]AA025 5 2 1 4gNaOH溶解于水配制成1升溶液,该溶液摩尔浓度是0.4mol/l。(

[T]AA025 5 2 1 4gNaOH溶解于水配制成1升溶液,该溶液摩尔浓度是0.4mol/l。( )[T/]

A.正确

B.错误

正确答案是A