7. You dissolve 15 g of NaCl in 400 mL of water, then mix 100 mL of 1.0 MNaCl in with the

solution you made. What is the resulting concentration?

How many inches are in 2.0 miles

How much force would it take to stop a 100-kg football player if he declerates at 20 m/s^2

Cu has an anomalous electron configuration. write the observed electron configuration of cu.

Write a loop that subtracts 1 from each element in lowerscores. if the element was already 0 or negative, assign 0 to the element.

There is a 30g of be-11 it has a half-life of about 14 seconds how much will be left in 28 seconds

How many grams are in 2.30 x 10^24 atoms in silver

Why must model sometimes be changed

Identify the properties of magma that causes it to be forced upward towards earth surfaces

An atom has a mass number of 53 and an atomic number of 26. How many neutrons does it have? Include a formula that explains your calculation.

To determine the molar mass of a protein, a 0.891 g sample of it is added to 5.00 g of water and the osmotic pressure is measured as 0.179 atm at 22.0°C, what is the molar mas of the protein? (The protein is non-ionizing)