1. Which of the following is not true of a covalent compound?

1 answer:

3 0

1. Which of the following is not true of a covalent compound?
<span>It is made of only nonmetals.

</span><span>2. What type of compound is almost always found as a solid?

</span>Ionic compound is almost always found as a solid because they have very tightly bound structures.

<span>3. Which of the following is not a characteristic of an ionic compound?

</span><span>It is formed when atoms share electrons.

</span>4. Covalent compounds are formed when
<span>a nonmetal bonds with a nonmetal.

</span><span>5. What is the relationship between a compound and the elements it is made from?

</span>The compound may have properties that are very different from those of the elements.

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How many moles of ammonium ions are in 125 mL of 1.40 M NH4NO3 solution? ________ moles (give answer with correct sig figs in un

Sholpan [36]

The number of mole of ammonium ion, NH₄⁺ in the solution is 0.175 mole

We'll begin by calculating the number of mole of NH₄NO₃ in the solution. This can be obtained as follow:

Volume = 125 mL = 125 / 1000 = 0.125 L

Molarity = 1.40 M

Mole = Molarity x Volume

Mole of NH₄NO₃ = 1.40 × 0.125

Finally, we shall determine the number of mole of ammonium ion, NH₄⁺ in the solution. This can be obtained as follow:

NH₄NO₃(aq) —> NH₄⁺(aq) + NO₃¯(aq)

From the balanced equation above,

1 mole of NH₄NO₃ contains 1 mole of NH₄⁺

Therefore,

0.175 mole of NH₄NO₃ will also contain 0.175 mole of NH₄⁺

Thus, the number of mole of ammonium ion, NH₄⁺ in the solution is 0.175 mole

Learn more: brainly.com/question/25469095

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2 years ago

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Oksanka [162]

Again great job! They all look correct except 20. is 3.7 due to sig fig of least precision, which you have a mark by!! You don't even need help!;) Here comes the next chemical engineer! :)

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3 years ago

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bonufazy [111]

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Explanation:

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