Chemistry, 03.09.2020 22:01 ridgewoodschool88
What is the empirical formula of a compound containing 65.5 grams carbon, 5.5 grams hydrogen, and 29.0 grams oxygen? (5 points) Select one: a. C3H3O b. C4H4O c. C3H2O2 d. C2H3O2
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Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge
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Abeaker with 2.00ร102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
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How many neutrons does an element have if its atomic number is 50 and its mass number is 166
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What is the empirical formula of a compound containing 65.5 grams carbon, 5.5 grams hydrogen, and 29...
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