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s344n2d4d5 [400]
3 years ago
15

How many molecules of water will be produced if 52.6 g of methane are burned?

Chemistry
1 answer:
liraira [26]3 years ago
7 0
B there thanksgiving
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Alika [10]

Answer:

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Explanation:

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What is the PH of a 1.3×(10)^-9 M HBr solution?
olga nikolaevna [1]

pH solution = 8.89

<h3>Further explanation</h3>

Given

The concentration of HBr solution = 1.3 x 10⁻⁹ M

Required

the pH

Solution

HBr = strong acid

General formula for strong acid :

[H⁺]= a . M

a = amount of H⁺

M = molarity of solution

HBr⇒H⁺ + Br⁻⇒ amount of H⁺ = 1 so a=1

Input the value :

[H⁺] = 1 x  1.3 x 10⁻⁹

[H⁺] = 1.3 x 10⁻⁹

pH = - log [H⁺]

pH = 9 - log 1.3

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What are the steps to finding an items density?
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4-determine the mass of the liquid alone
5-divide the mass by the volume.
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What is the mass number of Carbon–12, which has 6 protons and 6 neutrons?
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