If I add 200 mL of water to 600 mL of 16 M HNO3 what will the solution's final molarity be?

12M HNO3

Explanation:

A 600-ml solution of 16M nitric acid contains

16M HNO3 × 0.6 L = 9.6 m HNO3

so by increasing the volume by 200 ml the molarity of the solution becomes

Molarity = (9.6 mol HNO3)/(0.800 L)

= 12M HNO3

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to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.

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