Which solution has a molality of 0.25m nacl?

How many grams are in 5.66 mol of caco3?

One liter contains ___ mL.

A calibration curve relating absorbance (y) to concentration (x, measured in mol/L) of y = 0.36x-0.011 Use the calibration curve to determination of the concentration of a solution with an absorbance of 0.02.

What is the main microorganism associated with plaque?

Define an ion in chemistry

Chemical or physical properties? titanium is less dense than water

Choose the element that would be the most reactive of the three. A. K c. Na b. Fr

Explain why iron structures need protection from corrosion while aluminium structures do not?

What is the charge associated with each side of the HI molecule? What is the percent ionic character of the H-I bond?

Write the symbol for the ion formed when each element gains electrons and attains a noble-gas electron configuration. Br, H, Se.