Calculate the number of moles of gas present in the container of volume 10 L at 300 K, if the manometer containing glycerine shows 5 m difference in level as shown diagram. (Given : `d_("glycerin")=2.72g//mL," "d_("mercury")=13.6g//mL`)
A
0.94 mole
B
0.49 mole
C
0.64 mole
D
none of these
Text Solution
Verified by Experts
The correct Answer is:
a
(a) `h_(g)d_(g)=h_(Hg)d_(Hg), 5xx2.72=13.6h_(Hg)` `h_(Hg)=1m` `P_("gas")=0.76+1=1.76m" of " Hg` `=1760 mm " of " Hg` `(1760)/(760)xx10=nxxRxx300` `n=0.94 "mole"`
Topper's Solved these Questions
GASEOUS STATE
NARENDRA AWASTHI|Exercise Level 1 (Q.31 To Q.60)|1 Videos
GASEOUS STATE
NARENDRA AWASTHI|Exercise Level 1 (Q.121 To Q.150)|1 Videos
Calculate the number of molecules of carbon dioxide present in 300 mL of gas at 273K and 2.5 atm pressure.
A gas jar of 10 litre volume filled with O_(2) at 300 K is connected to glycerine manometer. The maonometer shows 5 m difference in the level as shown in figure. What will be the number of moles of O_(2) in the gas jar ? (Given d_("glycerine") = 2/72 g // mL , d_("mercury") = 13.6 g//mL )
From the following set-up, calculate moles of the gas present in the container of volume 24.63 litre at 600K if the level of mercury in the open tube of the manometer is 36cm higher. [Given: Atmospheric pressure=78cm of mercury]
0.5 moles of gas A and x moles of gas B exert a pressure of 200 Pa in a container of volume 10 m^(3) at 1000K. Given R is the gas constant in jk^(-1) ,x is :
Calculate the molality of a solution that contains 51.2g of naphthalene, ( C_(10)H_(8) ) in 500 mL of carbon tetrachloride. The density of C Cl_(4) is 1.60 g/m
Calculate the number of hours of service that can be derived at 1 atm, 300 K from an acetylene lamp containing 640 g calcium carbide. Given that the lamp requires 50 L acetylene gas at 1 atm 300 K for one hour. ["Take "0.0821xx300=25]
