Home
Class 12
CHEMISTRY
Molar mass of electron is nearly : (N(A)...

Molar mass of electron is nearly : `(N_(A) = 6 xx 10^(23))`,
mass of `e^(-)` = 9.1 `xx 10^(-31)Kg`

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If an electron has an energy such that its de Broglie wavelength is 5500 Å , then the energy value of that electron is (h= 6.6 xx 10^(-34)) Js, m_( c) = 9.1 xx 10^(-31) kg

The ratio of electrostatic and gravitational force acting between electron and proton separated by a distance 5 xx 10^(-11)m , will be (charge on electron = 1.6 xx 10^(-19)C , mass of electron = 9.1 xx 10^(-31) kg , mass of proton = 1.6 xx 10^(-27) kg, G = 6.7 xx 10^(-11) N - m^(2)//kg^(2) )

Calculate the ratio of electric and gravita-tional forces between two electrons. (charge of the electron (e) = 1.6 xx 10^(-19) c , mass of the electron (m) = 9.1 xx 10^(-31) kg, (1)/(4pi epsilon_(0)) = 9 xx 10^(9) Nm^(2)C^(-2) , universal gravitational constant G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) )

An electron is accelerated under a potential difference of 64 V, the de-Brogile wavelength associated with electron is [e = -1.6 xx 10^(-19) C, m_(e) = 9.1 xx 10^(-31)kg, h = 6.623 xx 10^(-34) Js]

The number of electron in 3.1 mg NO_(3)^(-) is ( N_(A) = 6 xx 10^(23) )

In an atom, an electron is moving with a speed of 600 m//s with an accuracy of 0.005% . Certainty with which the position of the electron can be localized is : ( h = 6.6 xx 10^(-34) kg m^2 s^(-1) , mass of electron (e_m) = 9. 1 xx10^(-31) kg) .

When light of wavelangth 4000 Å is incident on a barium emitter , emitted photo electrons in a transverse magnetic field strength B = 5.2 xx 10^(-6) T moves in a circular path . Find the radius of the circle . Given work function of barium is 2.5 eV and mass of electron is 9.1 xx 10^(-31) kg . e = 1.6 xx 10^(-19) C , h = 6.6 xx 10^(34) Js .

Determine the mass of an electron if for an electron e/m=1.759 xx 10^(8) Cg^(-1) and e=1.6021 xx 10^(-19)C

An X-ray tube operates at 20k V . Find the maximum speed of the electron strinking the anode , given the charge of electron is 1.6 xx 10^(-19) coulomb and mass of electron is 9 xx 10^(-31) kg .

When would the wavelength associated with an electron become equal to that with proton ? (Mass of electron = 9.10 xx 10^(-31) kg , Mass of proton =1.6725 xx 10^(-27)kg )