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nata0808 [166]
2 years ago
14

The empirical formula for a hydrocarbon is found to be CH₂. In a separate experiment, the molar mass is determined to be approxi

mately 112 g mol. The number of hydrogens in the molecular formula of the hydrocarbon is therefore​
Chemistry
1 answer:
devlian [24]2 years ago
7 0

Answer:

Therefore the empirical Formula is P2O5 (c above). The empirical formula for a hydrocarbon is found to be CH2. In a separate experiment, the molar mass is determined to be approximately 112 g mol-1.

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Magma is made from sediments 

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3 years ago
Na+CL2=2NACL is the balanced reaction for the formation of table salt. Given 20 grams of Na and 10 grams of Cl2, which reactant
Elina [12.6K]

Excess reactant : Na

NaCl produced : = 16.497 g

<h3>Further explanation</h3>

Given

Reaction(balanced)

2Na + Cl₂⇒ 2NaCl

20 g Na

10 g Cl₂

Required

Excess reactant

NaCl produced

Solution

mol Na(Ar = 23 g/mol) :

= 20 : 23 = 0.87

mol Cl₂(MW=71 g/mol):

= 10 : 71 g/mol = 0.141

mol : coefficient :

Na = 0.87 : 2 = 0.435

Cl₂ = 0.141 : 1 = 0.141

Limiting reactant : Cl₂(smaller ratio)

Excess reactant : Na

Mol NaCl based on mol Cl₂, so mol NaCl :

= 2/1 x mol Cl₂

= 2/1 x 0.141

= 0.282

Mass NaCl :

= 0.282 x 58.5 g/mol

= 16.497 g

4 0
2 years ago
The identity of an element is defined by its number of _______________. For example, every atom of Carbon has ___ protons and on
DiKsa [7]
In this order.
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Answer:

the answer is A

Explanation:

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