Question

CONVERT INTO MOLE:
A. 12 gram of oxygen
b. 20 gram of water
c. 22 gram of carbon dioxide

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Answer 1

Explanation:

(a) Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gas

(a) Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gasThus, 12 g of oxygen=

(a) Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gasThus, 12 g of oxygen= 32

(a) Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gasThus, 12 g of oxygen= 321

(a) Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gasThus, 12 g of oxygen= 321

(a) Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gasThus, 12 g of oxygen= 321 ×12=0.375 moles

(b) Molecular weight of water (H

(b) Molecular weight of water (H 2

(b) Molecular weight of water (H 2

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of water

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water=

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 18

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2 ) in grams=12+2×16=44 g=one mole of carbon dioxide

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2 ) in grams=12+2×16=44 g=one mole of carbon dioxideThus, 22 g of carbon dioxide =

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2 ) in grams=12+2×16=44 g=one mole of carbon dioxideThus, 22 g of carbon dioxide = 44

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2 ) in grams=12+2×16=44 g=one mole of carbon dioxideThus, 22 g of carbon dioxide = 441

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2 ) in grams=12+2×16=44 g=one mole of carbon dioxideThus, 22 g of carbon dioxide = 441

(b) Molecular weight of water (H 2 O) in grams= 2+ 16=18 g=one mole of waterThus, 20 g of water= 181 ×20=1.111 moles(c) Molecular weight of carbon dioxide (CO 2 ) in grams=12+2×16=44 g=one mole of carbon dioxideThus, 22 g of carbon dioxide = 441 ×22=0.5 moles

Answer 2

Answer:

Answer. (b) Molecular mass of water (H20) = 1 x 2 + 16 = 18u. (c) Molecular mass of carbon dioxide (CO2) = 12 + 16 x 2 = 12 + 32 = 44 u.