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adell [148]
3 years ago
12

_CoBr2+_K3PO4–>_KCl+__Co3(PO4)2

Chemistry
1 answer:
balu736 [363]3 years ago
5 0

Answer:

The answer to your question is 3, 2, 6, 1

Explanation:

Unbalanced chemical reaction

              CoBr₂   +   K₃PO₄   ⇒    KCl   +   Co₃(PO₄)₂

             Reactants           Elements             Products

                    1                         Co                         3

                    2                         Cl                          1

                    3                          K                           1

                     1                          P                           2

                    4                          O                           8

Balanced chemical reaction

             3CoCl₂   +  2K₃PO₄   ⇒    6KCl   +   Co₃(PO₄)₂

             Reactants           Elements             Products

                    3                         Co                         3

                    6                         Cl                          6

                    6                          K                           6

                    2                          P                           2

                    8                          O                           8

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Answer:

1.05

Explanation:

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To be considered fresh water, water must contain salt in a concentration _____.
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show transcribed data consider two organic molecules, ethanol and benzene. one dissolves in water and the other does not. why? t
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4 0
1 year ago
What is the different between a mixture and a compound?
krek1111 [17]
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4 0
3 years ago
Given the NaOH density =1.0698g mL^-1, How many mL of .71M HCl would be required to neutralize 11.33g of 2.03 M NaOH?
SSSSS [86.1K]

 The volume in ml of 0.71 M HCl  that would  be  required to neutralize  11.33 g   of 2.03 M NaOH  is 30.3 ml

<u><em>calculation</em></u>

Step 1 : write equation  for reaction

NaOH + HCl →NaCl +H₂O

Step 2:find the volume of NaOH

volume=mass/ density

= 11.33 g/ 1.0698 g/ml  =10.59 ml

Step 3: find the  moles of NaOH

moles  = molarity  x volume  in liters

molarity= 2.03 M=2.03 mol/l

volume  in liters =10.59/1000 =0.0106 L

moles  = 2.03 M  x 0.0106 L =0.0215  moles

step 4:  use the mole ratio to determine the moles of HCl

from  equation in step 1 , NaOH:HCl  is 1:1 therefore the moles of HCl is also 0.0215  moles

Step 5: find volume of  HCl

volume= moles/ molarity

molarity  =0.71 M =0.71 mol/l

=0.0215 moles /0.71  mol/l=0.0303 L

into ml =0.0303 x 1000=30.3 ml

3 0
3 years ago
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