Advertisements
Advertisements
Question
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Options
10 g of calcium and 12 g of magnesium
12 g of magnesium and 6 g of carbon
12 g of magnesium and 6 g of carbon
20 g of sodium and 20 g of calcium
Advertisements
Solution
12 g of magnesium and 6 g of carbon
12 g of magnesium and 6 g of carbon will have a mole ratio of 1 : 1.
APPEARS IN
RELATED QUESTIONS
What is a group of 6.022 × 1023 particles known as ?
What name is given to the amount of substance containing this number of atoms ?
How many moles of calcium carbonate (CaCO3) are present in 10 g of the substance ? (Ca = 40 u ; C = 12 u ; O = 16 u)
Calculate the number of molecules in 12.8g of sulphur dioxide gas. Take Avogadro's number as 6 x 1023.
[S = 32, 0 = 16 ]
Find the number of molecules in 3.2 g of SO2.
Calculate the number of particles in 0.1 mole of any substance.
Calculate the number of moles in 7g of nitrogen.
Match the following.
| 1. | 8 g of O2 | - | 4 moles |
| 2. | 4 g of H2 | - | 0.25 moles |
| 3. | 52 g of He | - | 2 moles |
| 4. | 112 g of N2 | - | 0.5 moles |
| 5. | 35.5 g of Cl2 | - | 13 moles |
How many grams are there in the following?
3 moles of chlorine molecule, Cl2.
Deduce the number of molecules of the following compound in the given quantity.
90g water
