Which of the following is a nonelectrolyte?
a. na2so4
b. pb(no3)2
c. c6h12o6
4. ag(c2h3o2)

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Correct relationship between molecular formula and empirical formula

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid