Potassium dichromate K2Cr2O7 calculate the relative molecular mass of the following
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Answer:
Molecular mass of K2Cr2O7 is 294 amu
Explanation:
Molecular mass of K2 Cr2 O7
=2×(Atomic mass of K) +2×(Atomic mass of Cr) +7×(Atomic mass of O)
=2×(39)+2×(52)+7×(16)
=78+104+112
=294 amu
MARK AS BRAINLIEST
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