进行正向可交割跨期套利的核心在于购买成本的计算。()
参考答案:错
—Guess what! I have got A for my term paper.
—Great! You read widely and put a lot of work into it.
A.must
B.should
C.must have
D.should have
有一由氯化钠与硫酸钠组成的固体混合物12.95g,溶于水跟足量的氯化钡溶液完全反应后共滤出不溶物11.65g.若此时剩余滤液的质量恰好为100g,试计算:
(1)将滤液蒸干后,最多可得到氯化钠的质量是多少?
(2)所得滤液中氯化钠的质量分数为多少?(计算数据精确到O.01%)