皮皮学，免费搜题
登录
搜题
【简答题】
在500mL 0.1mol/L Na 2 SO 4 溶液中，含Na 2 SO 4 的质量为__________g，从该溶液中取出10mL，加水稀释到100mL，稀释后溶液中Na 2 SO 4 的物质的量浓度为__________________mol/L。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】“三转”是指哪三转?
【单选题】It can be inferred from the text that Lafayette did not understand the French Revolution because .
A.
being a nobleman himself, he took the side of the highest social class
B.
he was divorced from the common people
C.
he misinterpreted the cause of dissatisfaction among the people
D.
he failed to act on Jefferson’s advice
【简答题】从结构上看,数据透视表分为 、 、 、 部分。
【单选题】The nobleman did not tell the truth because he______.
A.
was a nobleman
B.
felt ashamed
C.
was in an inn
D.
was angry
相关题目：