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Monitoring chemical reactions

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Question 7

Avogadro's constant has a value of 6.02 × 10²³ mol^-1. What is the total number of atoms in 0.4 mol of carbon dioxide ( $CO2\text{CO}_2$ )?

$2.41 \times 10^{23}$

$4.82 \times 10^{23}$

$7.22 \times 10^{23}$

$1.81 \times 10^{24}$

Markscheme

Monitoring chemical reactions Questions

GCSE
Chemistry
Monitoring chemical reactions

91 exam-style questions on OCR GCSE Chemistry Monitoring chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

Monitoring chemical reactions

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Monitoring chemical reactions

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

Question 7

Avogadro's constant has a value of 6.02 × 10²³ mol^-1. What is the total number of atoms in 0.4 mol of carbon dioxide ( $CO2\text{CO}_2$ )?

$2.41 \times 10^{23}$

$4.82 \times 10^{23}$

$7.22 \times 10^{23}$

$1.81 \times 10^{24}$

Markscheme

Monitoring chemical reactions Questions

GCSE
Chemistry
Monitoring chemical reactions

91 exam-style questions on OCR GCSE Chemistry Monitoring chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.