<span>8.4x10^2 kg.
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the number and kind of each atom on the reactants side must be equal to number and kind of each atom on products side.
Answer:
Mass of solution=100g
mass of salt=20g
so; mass of solute=80g
percentage composition =(mass of salt/total
mass) ×100
= \frac{20}{100} \times 100 \\ = 20\%
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<span>A<span>X5</span><span>E0</span></span> - trigonal bipyramidal - zero lone pairs;
<span>A<span>X4</span><span>E1</span></span> - seesaw - 1 lone pair;
<span>A<span>X3</span><span>E2</span></span> - T-shaped - 2 lone pairs;
<span>A<span>X2</span><span>E3</span></span> - linear - 3 lone pairs;
The only option that matches is trigonal bipyramidal.