When we assume that our solvent is water with total weight 100 g:
so we need to get the mass of K2SO3:
mass of K2SO3 = moles K2SO3 * Mw of K2SO3
now we need to get first the Mw of K2SO3 = 2*39 + 1*32 + 3*16 = 158 g/mol
by substitution:
∴ mass of K2SO3 = 0.0328 moles * 158 g/mol = 5.18 g
∴the mass of water = 100 g - 5.18 g = 94.8 g
∴ moles of water = mass of water / Mw of water
= 94.8 g / 18 g/mol
= 5.2 moles
∴the total moles = moles of water + moles of K2SO3
= 5.2 + 0.0328 = 5.266 moles
∴ the weight/weight % of K2SO3 = moles of K2SO3 / total moles*100
= 0.0325 moles / 5.266 moles *100
= 0.0062 *100
= 0.62 %
No. Of protons = mass no. - no. Of neutrons
No. Of protons = 67 - 37
= 30
No. Of electrons = 28
Zinc will have 30 protons and 28 electrons. So, it will have +2 charge
Symbol - Zn^+2
Explanation:
A contour map shows two locations, X and Y, 5 kilometers apart. The elevation at location X is 800 meters and the elevation at location Y is 600 meters.