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777dan777 [17]
3 years ago
6

Balanced Equation: Zn + 2HCI - ZnCl2 + H2

Chemistry
1 answer:
lawyer [7]3 years ago
4 0

Answer:

my friend: why is there no pretty girl who swims?

me: because all of there makeup washes off in the water

Explanation:

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A ball is launched from a spring on the floor with an initial velocity of 32 m/s. it then comes to a stop in 4.3 seconds. Determ
monitta

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4 years ago
What is the volume needed to make 4.2M solution using 6.5 mol NaCl?
hram777 [196]
Molarity is given as,

                             Molarity  =  Moles / Volume of Solution   ---- (1)

Given Data:
                   Molarity  =  4.2 mol.dm⁻³

                   Moles     =  6.5 mol

To Find:
                  Volume  =  ?

Solution:
              Solving Eq. 1 for Volume,

                              Volume  =  Moles ÷ Molarity
Putting Values,
                              Volume  =  6.5 mol ÷ 4.2 mol.dm⁻³ \

                              Volume  =  1.54 dm⁻³                    ∴ 1 dm³  =  1 L

8 0
3 years ago
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What is smaller? WHY?<br> a Atom or Electron
tresset_1 [31]
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They are all the same, in different units.

6 0
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