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Usimov [2.4K]
3 years ago
12

4Na+ O2 --> 2Na20 If 4 moles of Na react completely, how many moles of Na2O form?

Chemistry
1 answer:
docker41 [41]3 years ago
4 0

1.45 moles of Na2O produced

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Rashid [163]

Answer:

here: "salt and sugar"

Explanation:

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but seriously:

salt and sugar look the same. just someone with a split personality

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2.<br> Why does<br> a chemical equation<br> need to<br> be balanced?
arlik [135]

<em>Answer:</em>

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What is the hydrogen ion (H+) concentration of a solution of pH 8?
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Answer:

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Explanation:

In this problem we are given pH and asked to solve for the hydrogen ion concentration. Using the equation, pH = − log [H+] , we can solve for [H+] as,

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[H+] = 10−7.4 ≈ 0.0000040 = 4.0 × In this problem we are given pH and asked to solve for the hydrogen ion concentration. Using the equation, pH = − log [H+] , we can solve for [H+] as,

− pH = log [H+] ,

[H+] = 10−pH,

by exponentiating both sides with base 10 to "undo" the common logarithm. The hydrogen ion concentration of blood with pH 7.4 is,

[H+] = 10−7.4 ≈ 0.0000040 = 4.0 × 10−8 M.

3 0
3 years ago
Read 2 more answers
Which term describes the composition of matter shown in Figure E?
elena-14-01-66 [18.8K]

Answer:

Figure E is a compound

Explanation:

Compounds are constructed of 2 different elements

5 0
3 years ago
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