A student wants to make 125 mL of a 0.050 M beryllium chloride solution. a) Calculate the number of grams of beryllium chloride necessary to make the solution.

b) Describe, in detail, how would you make this solution using the appropriate equipment.

c) After the student made the solution, he mixes it with a 2.5 M Pb(NO3)2 solution. Write the net ionic equation for this reaction.

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substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.

the answer is c i took the test