Avogadro's number is 602,213,700,000,000,000,000,000. What does this number represent?
A) The total number of atoms in 10 grams of a substance
B) The total number of moles in 10 grams of a substance
C) The total number of atoms in 12 grams of carbon-12
D) The total number of moles in 12 grams of carbon-12
Question 2
Which of the following is true regarding constant systematic errors?
A) The slope and the x-intercept of the regression line are affected.
B) The slope of the regression line differs from the true value.
C) The x-intercept of the regression line becomes equal to the y-intercept.
D) The y-intercept of the regression line differs from the true value.
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