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OpenStudy (anonymous):
what is the molar mass of 4 moles of Cu(CN)2
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OpenStudy (anonymous):
ANYBODY THERE
OpenStudy (anonymous):
find the atomic mass of each element then add them together and multiply them by 4
OpenStudy (anonymous):
Cu(63.5)+Cx2(12.01x2=24.02)+Nx2(14.01x2=28.02) = 115.54 molar mass of one mole. Then multiply by 4, the number of moles. 115.54x4=462.16
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