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3 years ago

10

The figure shows a group in the periodic table. What is the name of this group of elements? Group of answer choices metalloids h

alogens noble gases

1 answer:

miskamm [114]3 years ago

6 0

Answer:

halogens

Explanation:

on a periodic table (just search ptable.com) right under the 17 in small words it says halogens

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Answer:

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mars1129 [50]

Answer:

$n_{H_2O}=5.94molH_2O$

Explanation:

Hello there!

In this case, according to the given question about stoichiometry, it is possible for us to calculate the required moles of water that will be produced by 12 grams of hydrogen, by using the molar mass of this reactant (2.02 g/mol as it is diatomic) and the 2:2 mole ratio in the chemical equation by solving the following setup:

$n_{H_2O}=12gH_2*\frac{1molH_2}{2.02gH_2} *\frac{2molH_2O}{2molH_2} \\\\n_{H_2O}=5.94molH_2O$

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