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What mass of benzoic acid (CH602) must be used to prepare a 500 ml solution at 0.480 M concentration? Enter the correct numeric value with the appropriate number of significant figures. Express scientific notation like 4.298-15 g Grade This Exercise What volume of a 0.600 M solution of NaNO3 contains exactly 0.402 g of the compound? Enter the correct numeric value with the appropriate number of significant figures. Express scientific notation like 4.295-15 mL Grade This Exercise Determine the exact number of H atoms in the empirical formula of the compound composed of 70.531549% carbon, 13.809676% hydrogen and 15.658736% oxygen (by mass). Enter the exact numeric value. H atoms Grade This Exercise Granulated sugar (sucrose, C12H22011) has an average density of about 0.72 g/cm. Calculate the molarity of sucrose if 3.0 tsp of sugar is added to a 16 oz cup of coffee. 1.00 tsp = 4.93 cm Enter the correct numeric value with the appropriate number of significant figures. Express scientific notation like 4.35-15 M Grade This Exercise White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm. How many silicon atoms are in a spherical grain of sand 0.134 mm in diameter? Enter the correct numeric value with the appropriate number of significant figures. Express scientific notation like 4.295-15 Si atoms Grade This Exercise