The solubility of magnesium chloride at 20 degree C is 54.9 g/100 mL of water. T

Question

The solubility of magnesium chloride at 20 degree C is 54.9 g/100 mL of water. That of magnesium iodide is 148.0 g/100 mL. Using this information, do you expect magnesium fluoride to be more or less soluble than magnesium bromide? Explain your reasoning. What are two hazards are associated with using a centrifuge? In this experiment, why is it important to dispose of all waste chemicals as heavy metal hazardous waste? Complete and balance the following precipitation equations. Write the correct formula and the correct state notation for each product. Each reaction results in only one precipitate and one soluble compound. If necessary. consult a table of solubility rules. a) SrCl_2(aq) + (NH_4)_2C_2O_4(aq) rightarrow b) Ba(NO_3)_2(aq) + H_2SO_4(aq) rightarrow c) Pb(NO_3)_2(aq) + Na_3PO_4(aq) rightarrow d) AgNO_3(aq) + MgBr_2(aq) rightarrow

Explanation / Answer

(1) MgCl2 has 54.9g/100mL. MgI2 has 148g/100mL.

Looking at this trend, as we go down the group, or as the size of anion increases, the solubility increases. So, as size of F < Size of Br, hence, the trend suggest that Solubility MgF2< MgBr2.

So, Magnesium fluoride will have less solubility in water than magnesium bromide.

Have a nice day!

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