Manipulate: Recall that molarity is equal to the number of moles of a substance dissolved in one liter of solution: molarity = moles + volume. (So moles = MV) A. Write an equation for determining the number of moles of NaOH that are added to the flask based on (NaOH) and volume of NaOH titrant (mL NaOH): Moles NaOH = B. Write a similar expression for the number of moles of H2SO4 in the flask based on [H2SO4) and the volume of H2SO4 (ml). Moles H2SO4 = C. Because there are twice as many moles of NaOH as moles of H2SO4 in this reaction, you can say Moles NaOH = 2 · Moles H2SO4 Substitute your expressions from 3A and 3B into this equation and solve for M of H2SO4 or written as (H2SO4): M of H2SO4 or [H2SO4) = 2 (M of NaOH. V of NaOH) V of H2SO4 D. Now calculate (H2SO4) based on the data from the Gizmo. [H2SO4) =
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Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity
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Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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Manipulate: Recall that molarity is equal to the number of moles of a substance dissolved in one lit...
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