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Converting between mass and moles

This type of question, asked 7 times: 2 May 2023 S1, 2 May 2023 S2, 4 May 2023 S2, 16 May 2023 S1, 16 May 2023 S2, 20 Apr 2025 S1, 19 Apr 2026 S1. All 8 questions below, oldest first.

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  1. Question 1

    2 May 2023 S1

    96
    What is the mass in kg of 5 mole of acetic acid (mol. mass =60= 60 g mol−1^{-1})?

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  2. Question 2

    2 May 2023 S2

    83
    How many moles of carbon atoms are present in 3.6 kg of carbon?

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  3. Question 3

    2 May 2023 S2

    75
    Which of the following equations is true for 8.8×10−2 kg8.8 \times 10^{-2}\,\text{kg} of carbon dioxide gas?

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  4. Question 4

    4 May 2023 S2

    65
    Calculate number of moles present in 9.10×10−29.10\times10^{-2} kg of water.

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  5. Question 5

    16 May 2023 S1

    84
    Find the number of moles of sodium atoms in 6.9×10−2 kg6.9 \times 10^{-2}\,\text{kg} (Atomic mass =23 g mol−1= 23\,\text{g mol}^{-1})

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  6. Question 6

    16 May 2023 S2

    100
    Calculate mass in kg of 2.5 mole ammonia.

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  7. Question 7

    20 Apr 2025 S1

    91
    What is the mass in grams of 0.25 mol water?

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  8. Question 8

    19 Apr 2026 S1

    2
    What quantity of H2O\mathrm{H_2O} in gram is present in 0.250.25 mol of it?

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