Guy that said it was DNA was right i just took the test to so another words your answer is Letter A DNA have a nice weekend! <span />
Answer:
pH = -log[H3O+] or pH = -log[H+]
Explanation:
pH is the negative log of hydronium concentration or hydrogen ion concentration. The two are essentially interchangeable.
Answer:
0.12 M
Explanation:
Molarity of sodium hydroxide = number of moles of sodium hydroxide / volume in liters
equation of reaction between NaOH and Potassium hydrogen phthalate
NaOH(aq) + KHC₈H₄O₄(aq) KNaC₈H₄O₄(aq) + H₂O(aq)
molar mass of KHC₈H₄O₄ = 204.22g/mol
amount required to titrate with NaOH = 0.5816 g
mole of KHC₈H₄O₄ = 0.5816 g / 204.22g/mol = 0.00285 mole
considering the equation, 1 mole of NaOH required 1 mole of KHC₈H₄O₄
0.00285 mole KHC₈H₄O₄ will require 0.00285 mole of NaOH
Molarity = 0.00285 mole / ( 23.73 ml / 1000ml) L = 0.12 M
Answer:
Growing toward gravity is called geotropism. Plants also exhibit phototropism, or growing toward a light source. This response is controlled by a plant growth hormone called auxin. As shown in Figure below, auxin stimulates cells on the dark side of a plant to grow longer.
Explanation:
Hope this helps and have a great day :)
Answer:
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