[" 1) Gellate the total tre clagege on a "3.11gm" cu "],[" penny."Q" Ginew."N_(1)=6.023times10^(23)/gm/mole" ,abmic "],[" rumber "fcu=29" and abmic mass of "Cu=63.5f]

Calculate the total positive (or negative) charge on a 3.11 g copper penny. Given Avogadro's number =6.023xx10^(23)(g^(-1)) mol^(-1), , Given Avogadro's number and atomic mass=63.5.

Calculate the total positive (or negative) charge on a 3.11 g copper penny. Given Avogadro's number =6.023xx10^(23)(g^(-1)) mol^(-1), , Given Avogadro's number and atomic mass=63.5.

KF and NaCl struture. If the distance between K ^(+) and F^(-) is 269 pm, find the denisty of KF ( N_(A) = 6.02 xx 10^(23) "mol"^(-1) a atomic mass of copper = 63.5

KF and NaCl struture. If the distance between K ^(+) and F^(-) is 269 pm, find the denisty of KF ( N_(A) = 6.02 xx 10^(23) "mol"^(-1) a atomic mass of copper = 63.5

1 mole of any gas a) Occupies 22.4 lit at STP b) Contains 3.05 xx 10^22 molecules c) Contains 6.023 xx 10^23 molecules d) Contain same number of molecules as in 22 gm of CO_2

The density of KBr is 2.75"gm cm"^(-3) . The edge length of unit cell is 654 pm. Predict the type of cubic lattice to which unit cell of KBr belongs. (N_(0)=6xx023xx10^(23)"mol"^(-1)) . Atomic mass of K = 39, Br = 80.

The recommended daily dose is 17.6 milligrams of vitamin C (ascorbic acid) having formula C_(6)H_(8)O_(6) . Match the following. Given : N_(A)=6 times 10^(23) {:("Column I", "Column II"), ("(A) O-atoms present", "(P)" 10^(-4)" mole"), ("(B) Moles of vitamin C in 1 gm of vitamin C", "(Q)" 5.68 times 10^(-3)), ("(C) Moles of vitamin C that should be consumed daily","(R)" 3.6 times 10^(20)):}

Copper crystallises with face centred cubic unit cell . If the radius of copper atom is 127.8 pm , calculate the density of copper metal. (Atomic mass of Cu = 63.55 u and Avogadro's number N_(A) = 6.02 xx 10^(23) mol^(-1) )