aprilgee301 aprilgee301

23-01-2024
Chemistry

contestada

Calculate the mass of NH4Br in grams that must be dissolved in water to prepare a 1 L solution with a pH of 5. (Kb for NH3 = 2 × 10⁻5)
A) 4.0 g
B) 6.0 g
C) 8.0 g
D) 10.0 g

Respuesta :

Otras preguntas

Charlie is at a small airfield watching for the approach of a small plane with engine trouble. He sees the plane at an angle of elevation of 32. At the same tim

Pasha bought 3 pounds of onions for $2.67. Which ratio is proportional to 3 pounds at $2.67?

3 less than the quotient of 20 and x

The special at a local pizza place says you can choose any 3 toppings from a list of 5. How many possible combinations are there?

Jose earned 50 points in a video game.He lost 40 points, then lost 30 more points.write and evaluate an expression to find his final score in the video game.

The set of rules for how computers talk to one another is called: (Points : 1) hypertext. telnet. message. protocol.

Why is it important to convert rates to the same units before comparing them

Which of the following statements about finger bowls is true? A. To use a finger bowl, lightly dip the fingers of one hand, and then the other, in the water. B

which of these body systems is involved in coordinating and controlling body movements and responses?

How does the divestment of oligopoly firm affect consumer welfare