You need to make 10.0 L of 2.2 M KNO3. What molarity would the potassium nitrate solution need to be if you were to use only 2.5 L of it?

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6