Chem

How many significant figures are in each of the following measurements? Convert each measurement to its equivalent scientific notation or decimal form. (a) 0.0120 mol HCl

(a) Three significant figures; 1.20×10^-2 mol HCl.

How many significant figures are in each of the following measurements? Convert each measurement to its equivalent scientific notation or decimal form. (b) 605.3 mg CaCO3

(b) Four significant figures; 6.053×10^2 mg CaCO3.

How many significant figures are in each of the following measurements? Convert each measurement to its equivalent scientific notation or decimal form. (c) 1.043×10^-4 mol Ag+

(c) Four significant figures; 0.0001043 mol Ag+.

How many significant figures are in each of the following measurements? Convert each measurement to its equivalent scientific notation or decimal form. (d) 9.3×10^4 mg NaOH

(d) Two significant figures; 93000 mg NaOH.