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DedPeter [7]
3 years ago
13

Which of the following units is not an official SI unit?

Chemistry
2 answers:
Mariulka [41]3 years ago
5 0

Answer:

{ \bf{d). \: { \tt{litre}}}}

cluponka [151]3 years ago
4 0

Answer:

liter

Explanation:

I think liter because it is not listed as a SI unit

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A pupil adds 5 cm of 12 mol.dm sulphuric acids to make a 250 cmº solution. Calculate the
klemol [59]

Answer:

0.500 mol/dm³

Explanation:

Using the formula below;

CaVa = CbVb

Where;

Ca = concentration of acid (mol/dm³)

Cb = concentration of base (mol/dm³)

Va = volume of acid (cm³)

Vb = volume of base (cm³)

In accordance to the information provided in this question is;

Va = 5cm³

Vb = 250 cm³

Ca = 12 mol/dm³

Cb = ?

Using CaVa = CbVb

12 × 5 = Cb × 250

60 = 120Cb

Cb = 60/120

Cb = 0.500 mol/dm³

8 0
3 years ago
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Answer:

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Explanation:

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2 years ago
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