Two aqueous hydrogen bromide solutions containing 6.00 wt% hbr (sg = 1.0402) and 65.0 wt% hbr (sg = 1.7613) are mixed to form a 3.54 molar hbr solution (sg = 1.1935). what feed rate of the 65.0 wt% hbr solution would be required to produce 1050 kg/hr of product? number 502 l/hr what is the feed ratio of liters of 6.00 wt% hbr solution to liters of 65.0 wt% hbr solution?

a) the particles of the chair are strongly held together.

the correct answer to this question is 2

c. electrical charges of ionic bonds.

considering the question as per the attachment

here we can see that the radon nuclide has 222 as the atomic mass number and 86 as the atomic number.

when it undergoes nuclear fission it gives polonium which has atomic mass number as 218 and atomic number will be 84 along with a helium nucleus which has 4 atomic mass number and 2 as its atomic number.

222 = 218 + 4 (atomic mass number)

86 = ? + 2; therefore ? = 86-2 = 84.

the atomic mass number of polonium will be 84.