Advertisements
Advertisements
Question
How many grams of HCl are present in 0.1 mole of it?
Advertisements
Solution
1 mole of HCI has weight = 1 + 35.5 = 36·5 g
∴ 0.1 mole of HCl has mass = 0.1 x 36.5
= 3.65 g
APPEARS IN
RELATED QUESTIONS
How many atoms are there in 0.25 mole of hydrogen ?
Calculate the mole ratio of 240 g of calcium and 240 g of magnesium. (Ca = 40 u ; Mg = 24 u)
What do you understand by the term mole? How many elementary units are in one mole of a substance?
A flask contains 3.2g of sulphur dioxide.Calculate the following : The moles of sulphur dioxide present in the flask.
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
Correct the statement, if required.
Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of atoms.
Solid ammonium dichromate decomposes as:
\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
If 63 g of ammonium dichromate decomposes. Calculate the quantity in moles of (NH4)2Cr2O7.
What is Molar volume of a gas?
How many grams are there in the following?
5 moles of sulphur molecule, S8
Deduce the number of molecules of the following compound in the given quantity.
90g water
