Calculate the answers to these problems: Round off and enter your answer with the appropriate number of significant figures: Do not use scientific notation. Also enter the number only (not the units): How many moles of glucose are in 5.50 mL of blood with concentration of 0.00560 M? Suppose you want to make an ethanol solution with a concentration of 1.50 g/L using 0.600 g of ethanol. How many L of water should you add? QUESTION 6 Enter your answer in the box provided. When entering your answer, enter the number only: Do not enter units Suppose you have a 12.0 mL solution of the hormone insulin: You take 4.00 mL of that solution and add water to total volume of 24.0 mL You measure the concentration of the diluted solution to be 8.40 mglmL What is the concentration (in mg/mL) of the original solution?