Which of the following is the term for the heaviness on something's surface that exerts a force over an area? a. force b. pressu
2 answers:
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Answer: C REDUCTION
Explanation:
Guessed after knowing oxidation isn't the answer. Got right
Answer: 4.1 g of barium precipitated.
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number of particles.
To calculate the moles, we use the equation:
Given : moles of barium = 0.030
Molar mass of barium = 137 g/mol
x= 4.1 g
Thus there are 4.1 g of barium that precipitated.