Answer:
21.02moles of KBr
Explanation:
Parameters given:
Number of moles BaBr₂ = 10.51moles
Complete reaction equation:
BaBr₂ + K₂SO₄ → KBr + BaSO₄
Upon inspecting the given equation, we find out that the atoms are not balanced on both sides of the equation:
The balanced equation is:
BaBr₂ + K₂SO₄ → 2KBr + BaSO₄
From the equation:
1 mole of BaBr₂ produces 2 moles of KBr
∴ 10.51 moles of BaBr₂ will yield (2 x 10.51) moles = 21.02moles of KBr
The particles are quite tightly packed together but still have enough room to be able to move and flow, their bonds aren't as strong as a solids are
Oxygen and selenium both have 6 valence electrons. They're in the same group hope this helps
Answer:
Explanation:
Each half life period reduced the amount of substance by half
So 6 of half life cycles or decays will go.
