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A short magnet dipole is placed at origin with it dipole moment directed along x-axis, If magnetic field induction at a point P(r,0) is Bi, the the magnetic field induction at point Q(0, 2r) will be

A short magnet dipole is placed at origin with it dipole moment directed along x-axis, If magnetic field induction at a point P(r,0) is Bi, the the magnetic field induction at point Q(0, 2r) will be

Grade:12th pass

1 Answers

Arun
25757 Points
2 years ago
1000 mL will weigh 1800g
mass of H2SO4 present = 1800 gm
number of mole of H2SO4 = actual mass/molarmass= 1800 ÷   98 = 18.36
thus molarity of a stock solution is 18.36 M
To prepare 500 mL of 0. 9 M solution, M1V1=M2V2
18.36 x A = 0.9 x 500 mL
18.36450
= 24.5 ml 
 
Hope it helps

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