{
  "id": "37adb8e3-a45a-5a68-9d47-8ff14ba6f851",
  "slug": "the-mole",
  "title": "The mole",
  "course": "General Chemistry",
  "questionCount": 15,
  "page": "https://splycr.com/general-chemistry/the-mole",
  "data": "https://splycr.com/library/the-mole.json",
  "play": "https://splycr.com/?set=37adb8e3-a45a-5a68-9d47-8ff14ba6f851",
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Number of particles in one mole?",
      "answer": "6.02 × 10²³",
      "wrongOptions": [
        "6.02 × 10²²",
        "3.01 × 10²³",
        "1.00 × 10²³"
      ]
    },
    {
      "number": 2,
      "question": "Relative formula mass of CO₂ (C = 12, O = 16)?",
      "answer": "44",
      "wrongOptions": [
        "28",
        "40",
        "32"
      ]
    },
    {
      "number": 3,
      "question": "Relative formula mass of NaOH (Na = 23, O = 16, H = 1)?",
      "answer": "40",
      "wrongOptions": [
        "39",
        "24",
        "41"
      ]
    },
    {
      "number": 4,
      "question": "Number of atoms in one molecule of H₂SO₄?",
      "answer": "7",
      "wrongOptions": [
        "6",
        "3",
        "4"
      ]
    },
    {
      "number": 5,
      "question": "Moles = mass ÷ …?",
      "answer": "Mr",
      "wrongOptions": [
        "Volume",
        "Avogadro constant",
        "Density"
      ]
    },
    {
      "number": 6,
      "question": "Amount in 24 g of magnesium (Ar = 24)?",
      "answer": "1 mol",
      "wrongOptions": [
        "24 mol",
        "0.5 mol",
        "2 mol"
      ]
    },
    {
      "number": 7,
      "question": "Amount in 9 g of water (Mr = 18)?",
      "answer": "0.5 mol",
      "wrongOptions": [
        "2 mol",
        "162 mol",
        "9 mol"
      ]
    },
    {
      "number": 8,
      "question": "Amount of CO₂ in 88 g (Mr = 44)?",
      "answer": "2 mol",
      "wrongOptions": [
        "0.5 mol",
        "44 mol",
        "4 mol"
      ]
    },
    {
      "number": 9,
      "question": "Mass of 2 mol of NaCl (Mr = 58.5)?",
      "answer": "117 g",
      "wrongOptions": [
        "29.25 g",
        "58.5 g",
        "60.5 g"
      ]
    },
    {
      "number": 10,
      "question": "Mass of CO₂ formed when 6 g of carbon burns (C = 12, CO₂ = 44)?",
      "answer": "22 g",
      "wrongOptions": [
        "6 g",
        "44 g",
        "11 g"
      ]
    },
    {
      "number": 11,
      "question": "Volume of one mole of any gas at room temperature and pressure?",
      "answer": "24 dm³",
      "wrongOptions": [
        "12 dm³",
        "48 dm³",
        "2.4 dm³"
      ]
    },
    {
      "number": 12,
      "question": "Number of cm³ in 1 dm³?",
      "answer": "1000 cm³",
      "wrongOptions": [
        "100 cm³",
        "10 cm³",
        "10 000 cm³"
      ]
    },
    {
      "number": 13,
      "question": "Concentration when 10 g of salt is dissolved to make 0.50 dm³ of solution?",
      "answer": "20 g dm⁻³",
      "wrongOptions": [
        "5 g dm⁻³",
        "10 g dm⁻³",
        "0.05 g dm⁻³"
      ]
    },
    {
      "number": 14,
      "question": "Formula showing the simplest whole-number ratio of atoms in a compound?",
      "answer": "Empirical formula",
      "wrongOptions": [
        "Molecular formula",
        "Structural formula",
        "Displayed formula"
      ]
    },
    {
      "number": 15,
      "question": "Empirical formula of C₂H₄?",
      "answer": "CH₂",
      "wrongOptions": [
        "CH₄",
        "C₂H",
        "CH"
      ]
    }
  ]
}