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TiliK225 [7]
3 years ago
7

35.7 L of CL2 gas are used in an experiment. Determine the mass in grams of the chlorine gas

Chemistry
1 answer:
Pie3 years ago
7 0
I think information dose not enough
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What is the location on the surface directly above the earthquake focus called? A. epicenter B. fault C. Moho D. foci
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the answer is A. epicenter :)


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A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The
hoa [83]
HA ⇄ H⁺ + A⁻ 
so:
\frac{[H^+][A^-]}{[HA]} = 1.5 x 10^{-5}
and now:
\frac{(x)(x)}{(0.150-x)} = 1.5 x 10⁻⁵
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x² = 2.25 x 10⁻⁶
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Which of the following measures the radiation given off by atoms per second?
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Determine the mass of 9.2 x 10^18 molecules of dinitrogen tetroxide.
steposvetlana [31]

Answer: 1.4x10-3 g N2O4

Explanation: First convert molecules of N2O4 to moles using Avogadro's Number. Then convert moles to mass using the molar mass of N2O4.

9.2x10^18 molecules N2O4 x 1 mole N2O4 / 6.022x10²³ molecules N2O4

= 1.53x10-5 moles N2O4

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