[Answered] Which nonmetal exists as a diatomic solid? A) bromine B) antimony C) phosphorus D) iodine E) ...

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ENagel

Hero Member
Posts: 540

on: Aug 27, 2018

Which nonmetal exists as a diatomic solid?

A) bromine
B) antimony
C) phosphorus
D) iodine
E) boron

Question 2

Calculate the pH of a solution that is 0.278 M in sodium formate (NaHCO2 ) and 0.222 M in formic acid (HCO2H). The Ka of formic acid is 1.77 10-4.

A) 3.843
B) 3.647
C) 13.90
D) 10.16
E) 4.954

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brittrenee

Sr. Member
Posts: 321

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

A

ENagel

Member
Posts: 540

Reply 2 on: Aug 27, 2018

Great answer, keep it coming

adf223

Member
Posts: 304

Reply 3 on: Yesterday

Gracias!

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