延伸題:
如果題目問點解唔可以用acidified AgNO3
是否Ag2Cr2O7 會soluble in HNO3 such that no observance first appearance of Ag2Cr2O7?
?????
其實用standard acidified AgNO3 ok ?
yes
我主要問Ag2Cr2O7唔會soluble in HNO3嗎?
因為我見話大部份salt soluble in HNO3..
係所有NO3- (nitrate) salt 都soluble in water 嘛?
yes