Which chemical name and formula are correct A. Diarsenic pentoxide, A5O5
B. carbon tetrachloride, CCI4
C. Sodium dichromate, Na2Cr2
D. magnesium phosphide, MgP
please help

Idon't know hope someone you

C: 6.94 is the correct answer

Moles = mass/molar mass by this formula 458/207+32 you should get your answer the ans. is 1.916 mol to 4 sig. fig.

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