(1)t1℃时,甲物质的溶解度
(2)将丙的不饱和溶液变为饱和溶液的方法是
(3)t2℃时,将一定质量的甲物质加入到100g水中完全溶解,再降温到t1℃,析出甲物质15g,则t2℃时,加入甲物质的质量为
(4)将t3℃时甲、乙、丙三种物质的饱和溶液降温到t1℃,所得溶液中溶质的质量分数由大到小的顺序为
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