t℃时的KNO3溶液,恒温蒸发Ag水时,析出晶体ag;再恒温蒸发Ag水双析

t℃时的KNO3溶液,恒温蒸发Ag水时,析出晶体ag;再恒温蒸发Ag水双析出晶体bgab),回答下列问题:(本小题4分)

1a            b( “>”或“<”)

2)时KNO3的溶解度为                 

答案

1<      (2) =====g

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