How many grams of AgNO3 are needed to prepare a 0.25 m solution in 500 grams of water?

Question 2 options:

125 g

0.125g

21.25 g

170g

A car traveled 30 km in 1 hour, 40 km in the next 1 hour, and then 30 km in 2 hours before reaching its destination.

A mothball, composed of naphthalene (c10h8), has a mass of 1.64 g. part a how many naphthalene molecules does it contain?

Which of these statements is correct about how the first forms of life appeared on Earth? A. Non-living molecules evolved into living molecules by chemical changes. B. Reproducing molecules evolved into living organisms by biological processes. C.

What is the electron configuration of kr?

The bond length in f2 is 1.417 å, instead of twice the atomic radius of f, which is 1.28 å. what can account for the unexpected length of the fuf bond?

What are two reasons that ocean water sinks in the Arctic Ocean? A. The surface water is warmer and less salty than normal. B. The surface water is warmer and more salty than normal. C. The surface water is colder and less salty than normal. D.

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases? A) Weak electrolytes do not dissolve in water and can not conduct electricity.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

Write about "human impact"

The structural level of a protein least affected by a disruption in hydrogen bonding is the