Which is a spectator ion in the reaction between these two solutions?
2 answers:
The ionic reaction is
Ba2+ + 2 Br- + 2 Na+ + SO42-----> 2 Na+ + 2Br- + BaSO4.
Na+ and Br- are on both sides of the equation so they are spectator ions.
The answer is A Br- (aq).
Im not sure what it is but i will try
BaCl₂(aq) + Na₂SO₄(aq) = BaSO₄(s) + 2NaCl(aq)
Ba²⁺(aq) + 2Cl⁻(aq) + 2Na⁺(aq) + SO₄²⁻(aq) = BaSO₄(s) + 2Na⁺(aq) + 2Cl⁻(aq)
Ba²⁺(aq) + SO₄²⁻(aq)= BaSO₄(s)
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I did it today and got a 100%
Sorry if i'm late.
Answer:
Average atomic mass = 6.6575.
Explanation:
As fractions the abundance is 1/4 and 3/4.
The average atomic mass = (5.03 + 3(7.20) / 4
= 6.6575.
5,000 cm3 (cubic centimeters)
