Cobalt(II) sulfate heptahydrate has pink-colored crystals. When heated carefully, it produces cobalt(II) sulfate monohydrate, which has red crystals. What are the formulas of these hydrates? If 3.548 g of the heptahydrate yields 2.184 g of the monohydrate, how many grams of the anhydrous cobalt(II) sulfate could be obtained? 10/ An alloy of iron (54.7%), nickel (45.0%), and manganese (0.3%) has a density of 8.17 g/cm3 . How many iron atoms are there in a block of alloy measuring 10.0 cm x 20.0 cm x 15.0 cm?
Cobalt(II) sulfate heptahydrate has pink-colored crystals. When heated carefully, it produces cobalt(II) sulfate monohydrate, which has red crystals. What are the formulas of these hydrates? If 3.548 g of the heptahydrate yields 2.184 g of the monohydrate, how many grams of the anhydrous cobalt(II) sulfate could be obtained? 10/ An alloy of iron (54.7%), nickel (45.0%), and manganese (0.3%) has a density of 8.17 g/cm3 . How many iron atoms are there in a block of alloy measuring 10.0 cm x 20.0 cm x 15.0 cm?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 30QAP: The active ingredient in some antiperspirants is aluminum chlorohydrate, Al2(OH)5Cl. Analysis of a...
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Cobalt(II) sulfate heptahydrate has pink-colored crystals. When heated carefully,
it produces cobalt(II) sulfate monohydrate, which has red crystals. What are the
formulas of these hydrates? If 3.548 g of the heptahydrate yields 2.184 g of the
monohydrate, how many grams of the anhydrous cobalt(II) sulfate could be
obtained?
10/ An alloy of iron (54.7%), nickel (45.0%), and manganese (0.3%) has a density of
8.17 g/cm3
. How many iron atoms are there in a block of alloy measuring 10.0 cm
x 20.0 cm x 15.0 cm?
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