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34kurt
3 years ago
14

How many chlorine molecules are in 6.5 moles of chlorine

Chemistry
2 answers:
4vir4ik [10]3 years ago
6 0
6,02·10²³ --- 1 mol
X -------------- 6,5 mol
X = 6,02·10²³×6,5
X = 39,13·10²³ molecules of Cl₂
MAVERICK [17]3 years ago
4 0

Answer:

3.91x10^{24}molecules

Explanation:

A chlorine molecule is composed of two chlorine atoms. Cl_{2}

One mol is equal to 6.02x10^{23} molecules.

So we have to calculate:

 1 mol Cl_{2} = 6.02x10^{23} molecules

 6.5 mol Cl_{2}= x

\frac {6.5molesX 6.02x10^{23}}{1}=x

x=3.91x10^{24}molecules

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2. A compound with the following composition by mass: 24.0% C, 7.0% H, 38.0% F, and 31.0% P. what is the empirical formula
Svetach [21]

Answer:

C₂H₇F₂P

Explanation:

Given parameters:

Composition by mass:

                C = 24%

                H = 7%

                 F  = 38%

                 P  = 31%

Unknown:

Empirical formula of compound;

Solution :

The empirical formula is the simplest formula of a compound. To solve for this, follow the process below;

                                   C                          H                         F                   P

% composition

by mass                     24                          7                        38                  31

Molar mass                 12                           1                         19                  31

Number of

moles                       24/12                          7/1                    38/19           31/31

                                     2                               7                       2                   1

Dividing

by the

smallest                      2/1                             7/1                       2/1                1/1

                                     2                                7                        2                   1

           Empirical formula        C₂H₇F₂P

5 0
3 years ago
Naming Compounds of the Nonmetals
Xelga [282]

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8 0
3 years ago
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son4ous [18]
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3 years ago
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podryga [215]
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3 years ago
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