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Reika [66]
2 years ago
12

The molecule mass of sodium oxide na2o is

Chemistry
2 answers:
garri49 [273]2 years ago
8 0
Molecular mass of Na2O = 46+16= <span>62 u</span>
maxonik [38]2 years ago
7 0
it is 61.97894 g/mol
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How many U.S. gallons are there in a cubic mile? The total proven oil reserves of the U.S. are roughly 30 x 10°bbl. How many cub
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In a chemical reaction, substrate molecule A is broken down to form one molecule of product B and one molecule of product C. The
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Answer:

The answer to your question is d. 0.5 M

Explanation:

Data

[A] = 1M

K = 0.5

Concentration of B and C at equilibrium = x

Concentration of A at equilibrium = 1 - x

Equation of equilibrium

                                       k = \frac{[B][C]}{A}

Substitution

                                       0.5 = \frac{[x][x]}{1 - x}

Simplification

                                       0.5 = \frac{x^{2}}{1 - x}

Solve for x

                                      0.5(1 - x) = x²

                                      0.5 - 0.5x = x²

                                       x² + 0.5x - 0.5 = 0

Find the roots             x₁ = 0.5     x₂ = -1

There are no negative concentrations so the concentration of A at equilibrium is  

                       [A] = 1 - 0.5

                             = 0.5 M

4 0
3 years ago
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