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Akimi4 [234]
3 years ago
15

Based on the balanced equation: 2 K + Cl2 --> 2KCl what is the mole ratio of K to KCl

Chemistry
1 answer:
yawa3891 [41]3 years ago
6 0

Answer:

2 : 2

Explanation:

The balanced chemical equation is given as:

            2K   +     Cl₂   →    2KCl

From the balanced reaction equation, we can conclude that;

  • 2 moles of K will react with 1 mole of Cl₂
  • 2 moles of K will produce 2 moles of KCl
  • 1 mole of Cl₂ will produce 2 moles of KCl

Therefore, the mole ratio is 2:2 or 1:1 in the simplest form.

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The Hawaiian islands formed as a result of a hot spot.<br><br> A.)True <br><br> B.)False
choli [55]

Hello,

That is true.

8 0
3 years ago
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A balloon contains 0.140 molmol of gas and has a volume of 2.78 LL . If an additional 0.152 molmol of gas is added to the balloo
levacccp [35]

Answer:

The final volume will be 5.80 L

Explanation:

Step 1: Data given

Number of moles gas = 0.140 moles

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Step 2: Calculate the final volume

V1/n1 = V2/n2

⇒ with V1 = the initial volume = 2.78 L

⇒ with n1 = the initial number of moles = 0.140 moles

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⇒ with n2 = the new number of moles = 0.140 + 0.152 = 0.292 moles

2.78/0.140 = V2 /0.292

V2 = 5.80 L

The final volume will be 5.80 L

8 0
3 years ago
Why is a molecule of CO2 nonpolar even though the bonds between the carbon atom and the oxygen atoms are polar?
schepotkina [342]
The correct answer is option 1. Carbon dioxide is nonpolar because the shape of the molecule  is symmetrical. It is a linear molecule where the oxygen atoms are symmetrical on each end. CO2 molecule do not have a region of unequal sharing.
7 0
2 years ago
An unknown aqueous metal analysis yielded a detector response of 0.255. When 1.00 mL of a solution containing 100.0 ppm of the m
AVprozaik [17]

Answer:

1.022ppm is the unknown concentration of the metal

Explanation:

Based on Lambert-Beer law, the increasing in signal of a detector is directly proportional to its concentration.

The unknown concentration (X) produces a signal of 0.255

99mL * X + 1mL * 100ppm / 100mL produces a signal of 0.502

0.99X + 1ppm produce 0.502, thus, X is:

0.255 * (0.99X + 1 / 0.502) =

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X =

1.022ppm is the unknown concentration of the metal

3 0
2 years ago
How many atoms are in 35.1 g of sodium chloride (NaCl) ?
hoa [83]

Answer:

I believe that there are 70.2

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8 0
3 years ago
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