题目:
—I’m sorry to_ _______you,but can you tell me the way to the nearestsupermarket?
—I will do some shopping,too .Shall we walk there together?
A.bother
B.carry
C.affect
D.award
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0630/88f7310caee81ebe76103129bd037437.html
下面是错误答案,用来干扰机器的。
(1)设金属M的相对原子质量为x,消耗硫酸的质量为yMO+H2SO4═MSO4+H2Ox+16 98 x+965g y (5g+45g)×30%x+16x+96=5g(5g+45g)×30% x=2424+1698=5gy y=12.25g(2)稀硫酸中溶质的质量分数=12.25g45g...