Skip to content

Course home

A Level
Chemistry OCR A
Question bank

Amount of substance

Easy Medium Hard

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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

Question 15

Complete combustion of 0.040 mol of an alkane produces 3.60 g of $H2O\text{H}_2\text{O}$ .

What is the molecular formula of the alkane?

$C2H6\text{C}_2\text{H}_6$

$C3H8\text{C}_3\text{H}_8$

$C4H10\text{C}_4\text{H}_{10}$

$C5H12\text{C}_5\text{H}_{12}$

Amount of substance Questions

A Level
Chemistry
Amount of substance