Calculate the mass of barium oxide produced by burning 6g of barium.

univerkov | September 27, 2021 | education

Given:
m (Ba) = 6 g

Find:
m (BaO) -?

Solution:
1) 2Ba + O2 => 2BaO;
2) n (Ba) = m (Ba) / M (Ba) = 6/137 = 0.044 mol;
3) n (BaO) = n (Ba) = 0.044 mol;
4) m (BaO) = n (BaO) * M (BaO) = 0.044 * 153 = 6.732 g.

Answer: The mass of BaO is 6.732 g.

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