cc11 Item 11 Part A The equation for density, d, is ds, Learning Goal: To learn

Question

cc11 Item 11 Part A The equation for density, d, is ds, Learning Goal: To learn how to substitute numbers into equations Mathematical equations contain variables and/or constants. Variables represent a number that can change depending on the situation, whereas constants do not change. For example, the area, A, of a circle is defined by the equation where m is mass and V is volume. what is the density. d. of a substance with a volume of 1.126 cm3 and a mass of m·312g? Express your answer numerically in grams per cubic centimeter, A ar where is a constant of 3.1416 and r is a variable for the radius of the circle. This equation alows us to caloulate the area of any circle, as long as we know the radius. For example, if 5.00 cm, then Submit Hints My Answers Give Upk Review P (3.1416)(5.00 cm)2 78.5 em = Part B The equation for molarity, M, is Notice that each symbol was replaced by its value In other words, each number was substituted for its symbol in the equation M- where V is volume and n is the number of moles of solu A certain solution has a molarity of M-9 19 tasol/L and has a voume ot V-0710 L value of n? wmat@the Express your answer numerically in moles mol

Explanation / Answer

1. 2.4761 g/cm3

2. 6.5249 mol

3. 4.7058(-7) m

4. Convert pressure to atm. Conver volume to Liters in order to make the calculations accurate

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