Advertisements
Advertisements
प्रश्न
How many moles are represented by 100 g of glucose, C6H12O6 ? (C = 12 u, H = 1 u, O = 16 u)
Advertisements
उत्तर
Mass of glucose = 100g
Molar mass of glucose = (6 × 12) + (12 × 1) + (6 × 16) = 180g
1 mole of glucose = 180g
Or, 180g of glucose = 1 mole of glucose
Therefore, 100g of glucose = 100 / 180 moles = 0.55 moles
Hence, 100g of glucose contain 0.55 moles.
APPEARS IN
संबंधित प्रश्न
What is a group of 6.022 × 1023 particles known as ?
If 16 g of oxygen contains 1 mole of oxygen atoms, calculate the mass of one atom of oxygen.
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Define the term.
Molar volume
Calculate the mass of 0.1 mole of carbon dioxide.
[Atomic mass: S = 32, C = 12 and O = 16 and Avogadro's number = 6 × 1023]
Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)
Find the number of molecules in 3.2 g of SO2.
One mole of any gas occupies ______ ml at S.T.P.
How many grams are there in the following?
2 moles of the hydrogen molecule, H2.
Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. Molar atomic mass of magnesium is 24g mol–1.
