significant figures and report units with answers where requife 1. Find the number of moles in 25.0 grams of each of the following: b. C6H6 Ca(OH)2 c. a. Ni coo 2. Find the mass of 0.750 moles of each of the following: objacts For b. P4010 C. Cu2S a. Br2 woH & Aed Yoonsupo a compood Many 3. Find the number of particles in 35.0 grams of each of the following: b. CF4 C6H1206 C. a. Ag 1.95x 1023 2.397 X 1023 1.168 x 1023 4. Find the mass of 4.52 x 1023 particles of each of the following: b. LizN C. H2SO4 a. N2 s3o amen 0.05 bns dainw woll ి 5. Determine the % composition of the following compounds: b. SiO2 0 c. b'(NH4)2S a. MgCl2 25.50% A6.737. 6. Determine the empirical and molecular formula of the following: Melom mogo log moga – 194 2

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.