(1)由图可知在t2℃时,甲物质的溶解度为
(2)在t1℃时,甲、乙、丙三种物质的溶解度从大到小的顺序是
(3)现有t2℃时甲、乙、丙三种物质的饱和溶液,将其均降温到t1℃,对所得溶液下列描述正确的是
A.溶质质量分数:乙>甲=丙
B.溶液质量:丙>乙>甲
C.溶剂质量:无法确定
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2