uwieuje Check Question 19 The names and chemical formulae of some chemical compo

Question

uwieuje Check Question 19 The names and chemical formulae of some chemical compounds are written in the first Imagine that a few tenths of a mole of each compound is dissolved in a liter of water Then, wrte the major chemical species that will be present in this solution. For example, you know water its formula for water (H20) Note: "major" chemical species are those present in concentrations greater than 100 mol/L. major species present when dissolved in water compound formula propylene glycol CHs(OH)2 methanol CH, OH NiI nickel(II) iodide

Explanation / Answer

"Major species means, "what form are most of the atoms present in the solution"

For Example HBr(aq) major species present when dissolved in water are H+ OR H3O+ and Br- and For KOH(aq) these are K+ and OH-.

Major species

1. C3H6(OH)2, H2O or . C3H6(OH)2 (aq)   (because it is dissolve in water)

2. CH3OH, H2O or CH3OH(aq) (because it is dissolve in water)

3. Ni2+, 2I- , H2O

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