7) What is the density of sulfur dioxide, SO2, at
STP?

The density of SO₂ is  2.858 g/L.

Explanation:

Given data:

Density of sulfur dioxide = ?

Given temperature = standard = 273 K

Given pressure = standard = 1 atm

Solution:

Formula used:

PM = dRT

P = pressure

M = molar mass

d = density

R = ideal gas constant

T = temperature

No we will put the values in formula

1 atm × 64.066 g/mol = d× 0.0821 atm.L/mol.K× 273 K

d =64.066 atm.g/mol  /22.4133atm.L/mol

d = 2.858 g/L

The density of SO₂ is  2.858 g/L.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.