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下列说法正确的是 [     ]
A.
食盐在水中的溶解度为36g
B.
20℃时食盐在水中的溶解度是36
C.
20℃，把10g食盐溶解在100g水里，所以20℃时食盐的溶解度是10g
D.
20℃时，36g氯化钠溶于100g水中刚好形成饱和溶液，则20℃时氯化钠的溶解度为36g
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