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IRISSAK [1]
3 years ago
12

Tony weighs 180 pounds on the earth. If tony travels to the moon,his weight will be about 30 pounds

Chemistry
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

Explanation:

ice

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Calculate the molar solubility of AgCl in 0.05M NaCl. (Ksp = 1.77 x 10-10)
Aneli [31]

Answer: 3.54 x 10^{-9}

Explanation:

For this Case we have keep in mind the effect of the Common Ion, which is Cl.

You can find the amount of silver ions at equilibrium from Ksp since You already know the chloride ion concentration. Keep in mind that only a few amount of silver chloride will be dissolved. This means the chloride concentration will stay in 0.05 M, Then I can use Ksp to solve for the silver ion concentration. So you can use the following equation.

AgCl Ksp = Ksp/[Cl^-]= (1.77 x 10^{-10})/(0.05) = 3.54 x 10^{-9}

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4 years ago
Which has more mass, a 28.0-cm3 piece of lead or a 16.0-cm3 piece of gold? the density of lead is 11.4 g/cm3; the density of gol
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The empirical formula for a compound is C2H4NO. If its molar mass is 232.2 g/mol, what is the molecular formula of the compound?
Irina18 [472]

Empirical formula mass

  • C2H4NO
  • 2(12)+4(1)+14+16
  • 30+24+4
  • 58g/mol

Molar mass=232.2g/mol

Find n

  • Molar mass/Empirical formula mass
  • 232.2/58
  • 4

Molecular formula

  • n×Empirical formula
  • 4(C2H4NO)
  • C8H16(NO)_4
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2 years ago
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