What volume of 0.230 M K2S solution is required to completely react with 175 mL of 0.130 M Co (NO3) 2?

What is concentration in a solution

The density of red wine is 1.01g/cm3 and the density of olive oil is 0.92g/cm3. A salad dressing that consisted of these two ingredients was left sitting too long. The ingredients separated in the bottle, which ingredient is which layer? Explain.

Histamines are an important chemical in the body. what is their purpose in the immune system

A celestial body has these properties: It is too small to clear objects that are in its orbital path. It has a rocky surface but no rings. What could the celestial body be? A. Jupiter B. Mars C. Neptune D. Pluto E.

What is an objects index of refraction?

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.

How many sulfide ions are present in 23.5g of Sb2S3

2. An automobile tire has a pressure of 210 kPa at 293 K. What will be the tire pressure after driving, if the tire temperature rises to 308 K?

Students measuring the mass of a rock record 6.759 g, 6.786 g, 6.812 g, and 6.779 g. Which other measurement of the block's mass would be most precise? A. 6.702 g B. 6.781 g C. 6.605 g D. 6.858 g