Question

Calculate the mass of (nh4)2so4 that must be added to 500ml

Answer 1

$<marquee> Ram Ram Ji☺️</marquee>$

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★ How would one calculate the amount of (NH4) 2SO4 which must be added to 500ml of 0.2M NH3 to yield a solution of pH=9.35, given pKb (NH4OH) =4.74? Assume a negligible change in volume as the solid is added. Mwt. of (NH4) 2SO4 =132.14 g/mol.

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Answer 2

Explanation:

mass of soln is 136g/mol or 136u/atom