Chemistry
Senior High
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考え方と求め方が分かりません
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問2 質量数12の炭素原子1個の質量を2.0×10-23gとすると,原子1個の質量が
23
9.0 × 10g のある原子Xの相対質量はいくらか。整数で答えよ。
HCl
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