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Name:________________________Hour:____Date:___________Chemistry: Significant Figures1. Write the number of sig figs that are in each of the following quantities. Also, underline the sig figs.a. 6.751 gf. 30.07 Lk.54.52 mLb. 0.157 Mg. 0.106 g/cm3l.0.1209 molesc. 280 mLh. 0.0067 kPam.2,690 md. 2500 molesi.0.0230 cm3n.4,030 cme. 0.070 gj.0.002560 moleso.6,352,000 g2. For the problems below, start with NO calculator. First, write the correct UNIT that will appear on the answer. Then, for addition/subtraction probs, state the PLACE VALUE to which you would round each answer; for multiplication/division probs, state HOW MANY sig figs the answer should have.a. 16.5 cm + 8 cm + 4.37 cm b. 752.3 mm Hg - 23.08 mm Hgc. 39.95 g 22.4 Ld. 13.251 moles + 10.006 moles + 9.63 molese. 16.5 cm (8 cm) (4.37 cm)f.2.36 mL + 3.38 mL + 0.355 mL + 2 mLg. 57.3 g Ca (1.000 mol Ca) (3.000 mol Ni) (58.70 g Ni) (40.08 g Ca) (2.000 mol Ca) (1.000 mol Ni)h.0.0853 g + 0.0547 g - 0.037 g - 0.00387 gi. 13 L oxygen (1.00 mol oxygen) (1.00 mol chromium) (52.0 g chromium) (22.4 L oxygen) (4.00 mol oxygen) (1.00 mol chromium)3. Now, use a calculator and correctly report each answer above. ................
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