If 85 g of NH4Cl reacts with 130 g of Ca(OH)2 according to the following reaction, what is the maximum mass of ammonia that can be formed? 2 NH4Cl + Ca(OH)2 CaCl2 + 2 NH3 + 2 H2O

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

Stage in which a typical star has completely stopped fusion

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.