What is the correct formula for selenium hexachloride?

Chemistry

2 answers:

labwork [276]2 years ago

3 0

Answer:

Selenium hexachloride is SeCl6.

Explanation:

vekshin12 years ago

3 0

Answer:

SeCl6

this is the correct formula.

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Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas

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Explanation:

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Number of moles of sodium = $\frac{\text{mass of sodium}}{\text{molar mass of sodium}}=\frac{48.7 g}{23 g/mol}=2.11mol$

According to reaction , 2 moles of sodium produces 1 mole of hydrogen gas , then 2.11 mol of sodium will= $\frac{1}{2}\times 2.11 mol$ of hydrogen gas that is 1.05 moles of hydrogen gas.

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