In a solution at 25°C, the [H+] is 3.5 * 10-6 M. What is the [OH-]?

A buffer solution contains. 120 M acetic acid and. 150 M sodium acetatea. how many moles of acetic acid and of sodium acetate are present in 50.0 mL of solution?

Identify the temperature that is equivalent to 95°F.

A 21.5 g piece of iron at 100.0∘C is dropped into 132 g of water at 20.0∘C. What is the final temperature of the system, in degrees Celsius, if the specific heat of iron is 0.449Jg∘C? Round your answer to one decimal place. Use 4.

Social class is defined as a group of people with similar levels of wealth, power, and prestige. a group of people of the same sex, race, and ethnicity. a group of people with nothing in common. a group of people of the same age.

Which of the following sample will have the greatest average speed at 355 K?. A. CH4. B. Ne. C. C2H4. D. Cl2

A bowl of trail mix and a bowl of soup are examples of what type of matter? 9 (a) solution (b) heterogeneous mixture (c) element (d) compound

What's difference between "formula unit" and "molecule"?

It is nighttime where Candice lives, so A. she will be able to see half of the Sun in the sky. B. she will be able to see both the Sun and the Moon in the sky. C. she will not be able to see the Sun in the sky. D.

How many moles are in 1.2*10^3g of ammonia

What are the two gases that escaped Earth's atmosphere during early formation? A. Helium and nitrogen B. Helium and oxygen C. Hydrogen and helium D. Hydrogen and nitrogen