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Question 8 (1 point) ✓ Saved
Water can be formed in the following reaction: 2...
4.
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Question 8 (1 point) ✓ Saved
Water can be formed in the following reaction: 2H2 + O2 --> 2H20 If you have 2
moles of Hydrogen gas (Hz), how many moles of water can you form? (Assume you
have an excessive amount of Oxygen gas) (Enter just the number, not the number
and units)
Your
12
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Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
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