Major groups of minerals include

A student made an initial 1:5 dilution of protein lysate. Then 2mL of that was added to 8mL of water. Lastly, the student made a 1:20 dilution of the second tube. What is the final dilution of protein lysate.

A buffer consists of 0.21 M NaH2PO4 and 0.34 M Na2HPO4. Phosphoric acid is a triprotic acid (Ka1 = 7.2 * 10-3, Ka2 = 6.3 * 10-8, Ka3 = 4.2 * 10-13). (a) Which Ka value is most important to this buffer? Ka1 is most important. Ka2 is most important.

How many protons and neutrons does lithium have?

How sig figs are in 28.0

Molarity is defined as the 1. moles of solute per kilogram of solvent 2. moles of solute per liter of solution 3. mass of a solution 4. volume of a solvent

For the reaction CH3OH + O2 → HCO2H + H2O, what is the maximum amount of HCO2H which could be formed from 8.02 mol of CH3OH and 15.49 mol of O2?

How are large polymers formed?

The parts that are either directly or indirectly related to each other in a system are known as what? A) the flow B) the boundary C) the components D) the input

Which bond is most polar?

4. Calculate the wavelength of radiation with a frequency of 8.0 x 104 Hz.