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What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?
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If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
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Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
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2. Why is it difficult for us to go up in a mountain than go down?
A We are moving against gravity...
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