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babymother [125]
3 years ago
5

9. Formation of Coloured Ions​

Chemistry
1 answer:
denpristay [2]3 years ago
4 0
Um a rainbow wand others colors ! Hoped I help!
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What happen when a piece of silver metal is added to the copper sulphate solution​
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Answer:

Explanation:When silver Ag metal is added to copper sulphate CuSO4 solution, no reaction takes place as silver is less reactive than that of copper and cannot displace copper from its solution. Hence, when a piece of silver metal is added to copper sulphate solution there will be no reaction.

7 0
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The following five beakers, each containing a solution of sodium chloride (NaCl, also known as table salt), were found on a lab
mixas84 [53]

Answer:

See the answers below

Explanation:

1)  100. mL of solution containing 19.5 g of NaCl  (3.3M)

2)  100. mL of 3.00 M NaCl solution (3 M)

3) 150. mL of solution containing 19.5 g of NaCl  (2.2 M)

4)  Number 1 and 5 have the same concentration (1.5M)

MW of NaCl = 23 + 36 = 59 g

For number 3

          59 g ------------------- 1 mol

           19,5 g -----------------   x

  x = 19.5 x 1/59 = 0.33 mol

Molarity (M) = 0.33 mol/0.150 l = 2.2 M

For number 4,

Molarity (M) = 0.33mol/0.10 l = 3.3 M

For number 5

Molarity (M) = 0.450/0.3 = 1.5 M

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two <em>p</em><em> orbitals is true answer boi </em>



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How many moles of glucose (C6H12O6) are in 5.0 liters of a 2.5 M C6H12O6 solution?
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5*2.5 = 12.5 ≈ 13 moles
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