Advertisements
Advertisements
प्रश्न
Fill in the missing data in the Table
| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | - | - | 0.5 |
| No. of particles | - | 3.011×1023 | - | - |
| Mass | 36g | - | 115 g | - |
Advertisements
उत्तर
| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | 0.5 | 5 | 0.5 |
| No. of particles | 1.2044 × 1024 | 3.011×1023 | 5×6.022 x1023 = 3.011 x 1024 | 0.5 x6.022 x 1023 x 3 = 9.033 x 1023 |
| Mass | 36g | 22g | 115 g | 47.5g |
APPEARS IN
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Ethyne, C2H2
What is the mass of 1 mole of nitrogen atoms?
What weight of each element is present in 1.5 moles of sodium sulphite, Na2SO3 ?
(Atomic masses : Na = 23 u ; S = 32 u ; O = 16 u)
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
Two oxides of a metal (M) have 20.12% and 11.19% oxygen. The formula of the first oxide is MO. Determine the formula of the second oxide.
Given that the relative molecular mass of copper oxide is 80, what volume of ammonia (measured at STP) is required to completely reduce 120g of copper oxide? The equation for the reaction is :
3CuO + 2NH3 → 3Cu + 3H2O + N2
Correct the statement, if required.
The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C12.
Calculate the number of moles in 7g of nitrogen.
How many grams are there in the following?
5 moles of sulphur molecule, S8
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
