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Place the following objects in order, from largest to smallest; nebula, star, planet, constellation, galaxy, moon.

15. Describe how to prepare 0.400 L of 0.550 M HCl solution, starting with a 2.00 M HCl solution. What volume (in L) of the 2.00 M solution will you need? L

16. Determine how many grams of each of the following solutes would be needed to make 4.30 ×102 mL of a 0.100 M solution. (d) potassium dichromate (K2Cr2O7):g

                            (e) potassium permanganate (KMnO4):  g

22. What volume of a 0.500 M HCl solution is needed to neutralize each of the following:

(b) 15.0 mL of a 0.200 M Ba(OH)2 solution  mL
 

Consider the function represented by the equation 6q = 3s - 9. Write the equation in function notation, where q is the independent variable.

Draw the mechanism of the alkylation of acetylide anion with chloroethane to give 1-butyne