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Asked by cathy

ComPLETE THE FOLLOWING EQUALITIES

1molBa(OH)2FU=____g Ba(OH)2=____Ba(OH)2FU

1Na atom=______amu Na

i don't understand how to do this ????
13 years ago

Answers

Answered by DrBob222
If FU stands for formula unit, then take the atomic masses from the periodic table and add them.
Ba = 137. something
2*Oxygen = 2*16 = 32
2*hydrogen = 2*1= 2
Then add 137.something + 32 + 2 = ?

For the second one, 1 atom is the atomic mass found on the periodic table in amu. So 22.998 amu is the mass of 1 Na atom.
13 years ago

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