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My name is Ann [436]
3 years ago
14

How many molecules are in 92.9 g of NaOH?​

Chemistry
1 answer:
kirza4 [7]3 years ago
5 0

2.3226678127494718

this number you could probably simplify to your own standards on your own.

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What mass of HBO2 is produced from the<br> combustion of 139.5 g of B2H6?<br> Answer in units of g.
aliina [53]

Answer:

m_{HBO_2}=441.8gHBO_2

Explanation:

Hello there!

In this case, since the combustion of B2H6 is:

B_2H_6+3O_2\rightarrow 2HBO_2+2H_2O

Thus, since there is 1:2 mole ratio between the reactant and product, the produced grams of the latter is:

m_{HBO_2}=139.5gB_2H_6*\frac{1molB_2H_6}{27.67gB_2H_6} *\frac{2molHBO_2}{1molB_2H_6} *\frac{43.82gHBO_2}{1molHBO_2}

m_{HBO_2}=441.8gHBO_2

Best regards!

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2 years ago
Alcl3+Na =NaCl+ Al .did Al change oxidation number
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Answer:

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Explanation:

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+3     -3        0                    +1       -1            0

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Round 1532.2364 to 3 significant figures.
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Answer:

It would be 1530

7 0
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The most condensed state of matter is <br> A. solid<br> B. liquid <br> C. gas <br> D. plasma
algol [13]
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Read 2 more answers
Chuẩn Độ 15 ml dung dịch CH3COOH 0,2 m bằng dung dịch NaOH 0,2 m
mina [271]

Answer:

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Explanation:

<h3>And please marks me as brainliest... </h3>
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