Answer:
160.86 g to the nearest hundredth.
Explanation:
H2 + O ---> H2O
2.016 g H2 produces 18.016 g H2O
1g .. .. .. .. .. 18.016 / 2.016 g H2O
18g .. .. .. .. .. . . (18.016 * 18) / 2.016 g H2O.
= 160.86 g.
Each mole of barium sulfate releases equal moles of barium ions and sulfate ions. Let the concentration of one substance be x. Thus:
Ksp = [Ba⁺²][SO₄⁻²]
1.1 x 10⁻¹⁰ = (x)(x)
x = 1.05 x 10⁻⁵
The answer is A.
Answer:
Argon
Explanation:
Given data
We can find the molar mass (M) of the gas using the ideal gas equation.
P × V = n × R × T
P × V = m/M × R × T
M = m × R × T/P × V
M = 27.1 g × (0.08206 atm.L/mol.K) × 449 K/ 0.500 atm × 50.0 L
M = 39.9 g/mol
If the gas is monoatomic, the one with a molar mass of 39.9 g/mol is argon.
Carbon, hydrogen should be the answer
