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densk [106]
2 years ago
7

PLEASE ANSWER THIS FASTE LIKE RIGHT KNOW!!!!!

Chemistry
1 answer:
mamaluj [8]2 years ago
3 0
The two strands of a DNA molecule must be separated
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5.Are pure solids included in equilibrium expressions? Explain your answer.
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Explanation:

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3 years ago
What is the solubility of m(oh)2 in a 0.202 m solution of m(no3)2? ksp = 9.05×10−18?
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<span>M(NO3)2 ==> [M2+] + 2 [NO3-] 0.202 M ==> 0.202 M M(OH)2 ==> [M2+] + 2[OH-] 5.05*10^-18 ===> s + [2s]^2 5.05*10^-18 ===> 0.202 + [2s]^2 5.05*10^-18 = 0.202 * 4s^2 4s^2 = 25*10^-18 s^2 = 6.25*10^-18 s = 2.5*10^-9 So, the solubility is 2.5*10^-9</span>
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3 years ago
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