Which family is the least electronegative (most electropositive)? Column

Chemistry

2 answers:

Nataliya [291]4 years ago

5 0

Answer:

sorry for the other guy, but I just took this and i believe its column II

Explanation:

I'm not that great at chemistry and just had the same question on my quiz. if im wrong, dm me and ill give you points back.

Galina-37 [17]4 years ago

3 0

Answer:

column I

Explanation:

Took the test and got it correct.

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A student is titrating 50 mL of 0.32 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the

Sveta_85 [38]

Answer:

The volume of HCl to be added to completely react with the ammonia is 0.032 L or 32mL

Explanation:

Using the formula

Ca Va = Cb Vb

Cb = 0.32 M

Vb = 50 mL = 50/1000 = 0.050L

Ca = 0.5 M

Va =?

Substituting for Va in the equation, we obtain:

Va = Cb Vb / Ca

Va = 0.32 * 0.05 / 0.5

Va = 0.016 / 0.5

Va = 0.032 L

The volume of HCl to be added to completely react with the ammonia is 0.032 L or 32mL

6 0

4 years ago

benzoic acid and phenol are both solids that are insoluble in water. a mixture of the two compounds can be separated by adding a

Arturiano [62]

The mixture of phenol and benzoic acid is separated by adding $NaHCO_{3}$ to produce brisk effervescence with sodium benzoate .

When benzoic acid react with $NaHCO_{3}$ then sodium benzoate is produced which is soluble in water and separated from non aqueous solvent . Organic compounds are soluble in organic solvent and inorganic compound mainly soluble in inorganic solvent like water.

What is brisk effervescence?

Brisk effervescence is when continuous gas evolution occurs in a chemical reaction like CO2. When HCl is added in $NaHCO_{3}$ then CO2 evolved.

Read more about brisk effervescence:

brainly.com/question/16994956

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3 0

1 year ago

HELP PLEASE ASAP WILL MARK BRAINLIEST

GuDViN [60]

Answer:

b i think

Explanation: sry if wrong