What is the number of moles in 432 g Ba(NO3)2? A. 0.237 mol B. 0.605 mol C. 1.65 mol D. 3.66 mol
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Ответ:
C
Explanation:
Since Moles=mass/molar mass
Mass=432g
Molar mass=261g/mol
Moles=1.65mol
Ответ:
you can use hypothesis
Explanation: Scientist suggest its based on prior knowledge or research is testable.