23. What is the formula mass unit of CaO?
(a) 18 u
(b) 81 u
(c) 56 u
(d) 188 u
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Answered by
1
Answer:
Calcium oxide is a white crystalline solid. The molar mass of CaO is 56.0774 g/mol. we have to do is sum the molar masses of calcium (40.078 g/mol) and oxygen (15.9994 g/mol).
Answered by
1
Answer:
the formula of mass unit of CaO is 56u..
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