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disa [49]
3 years ago
8

Explain the 3 steps required to determine the molecular formula.

Chemistry
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:

The steps involved in determining a Molecular Formula are: Find the mass of the empirical formula. Divide the molecular mass by the mass of the empirical formula. Multiply each subscript in the empirical formula by the answer.

Explanation:

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Given the reaction represented by the balanced equation:
user100 [1]

Answer:

mass of CHF_3 = 1/3 \times 9.47 \times 70 =220.97g

Explanation:

CH_4(g)+3F_2(g)->3HF(g)+CHF_3

As given in the question that methane(CH_4) is taken excess amount

mass of CHF_3 depend only on mass of fluorine

mass of F_2 =180 g

mole of F_2=\frac{180}{19} =9.47

3 mole of F_2 gives 1 mole of CHF_3

so 1 mole will give \frac{1}{3} mole of CHF_3

therefore,

9.47 mole of F_2 will give \frac{1}{3}  \times 9.47 mole of CHF_3

mass of CHF_3 = 1/3 \times 9.47 \times 70 =220.97g

7 0
3 years ago
Wasser and water are examples of cognates.<br> True or False
sammy [17]
<span>It is true that wasser and water are examples of cognates. Cognates are words that have the same etymological origin, meaning that they are derived from the same language. Both English and German are derived from the Proto-Germanic language, and wasser and water have the same meaning. They even look quite similar. </span>
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3 years ago
Which of the following is not equal to 100 meters A 0.100 kilometers B 10 hectometers C10,000 centimeters D 100,000 millimeters
Gnoma [55]
B. 100 meters is only equal to 1 hectometer.
7 0
4 years ago
Valence electrons determine blank
user100 [1]

Answer:

the element's chemical properties and whether it may bond with other elements.

Explanation:

7 0
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It is true that substances that have a high melting point and conduct electricity in the liquid phase are ionic substances, and if one of your options is NaCl, then that is the correct answer.
8 0
4 years ago
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