davidamagee99 davidamagee99

11-07-2017
Chemistry

contestada

A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?

Respuesta :

dec77cat dec77cat

11-07-2017

NH₃ + H₂O ⇄ NH₄⁺ + OH⁻

pOH=-lg[OH⁻]
pOH = 14-pH

14-pH = -lg[OH⁻]

[OH⁻]=10^(pH-14)

[OH⁻]=10^(11.8-14)=0.00631 = 6.31·10⁻³ mol/L

Answer Link

Otras preguntas

The ideals of the Renaissance man were published by Baldassarre Castiglione in 1528 when he wrote which of the following? a. On the Heavenly Orbs b. The Co

Which resumé would best highlight a person's strong work history? a. chronological b. functional c. hybrid

If triangle MNO is congruent to triangle PQR, which statement is not true? a. segment MN ≅ segment QR b. ∠N ≅ ∠Q c. segment NO ≅ segment QR d. ∠O ≅ ∠R

Sonji paid $25.00 for two scarves, which were different prices. When she got home she could not find the receipt. She remembered that one scarf cost $3 more tha

If z = a - bi, which of the following must be true of the imaginary part of the complex conjugate of z? a. It must be the opposite of -bi. b. It must be the o

Which version of the sentences uses the preposition to show location? a. The Unexpected blackout occurred near the masquerade ball b. The Unexpected blackout o

A white solid is flammable and dissolves in hexane. Would you expect this compound to be organic or inorganic?

11y - 5 < 30; 3 check whether the given number is a solution of the equation or inequality.

The same force is applied to two skateboards. One rolls across the room and the other moves a few feet and comes to a stop. Where was there more work done? a.

which of the following is not an authoritarian form of government A Absolute monarchy B. Totalitarianism C. Dictatorship D. Direct Democracy