Chemistry, 31.08.2021 19:00, zurfluhe

How do you find the atomic mass, because I have to solve this question (below) and I have no clue on how to do it. Question: An atom has 30 protons, 33 neutrons, and 29 electrons. What is atomic mass?

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A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

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What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

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Is 9 correct? and can someone me with 10? it’s due tomorrow, you

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