Chromium (III) hydroxide precipitate. Test tube with 0.15M chromium (III) potassium sulfate solution (left frame) has a 1M solution of sodium hydroxide (NaOH) added. As a result, chromium (III) hydroxide precipitate (Cr(OH)3) is formed (right frame): KCr(SO4)2 + NaOH -> Cr(OH)3 + KNaSO4 + Na2SO4.
px | px | dpi | = | cm | x | cm | = | MB |
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Creative#:
TOP22301405
Source:
達志影像
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RM
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