moles of H atoms are there in 0.50 moles of iosose, C2H2011? (c) How many mo are
ID: 584263 • Letter: M
Question
moles of H atoms are there in 0.50 moles of iosose, C2H2011? (c) How many mo are there in 2.0 moles of ethanol, C2H OH of O atoms are there in 1.5 moles of glucose, 2(b) Ho many moles of total atoms 5.3. (a) How many grams are there in 2.50 moleb) How many moles are there in grams of CO2? (c) How many grams are there in 5.22 x 102 L of argon gas if each mole occupies 24 liters of volume? (d) How many moles are present in 25,9 ml of hexane, CHs, if hexane 2.500 22x050 density of 0.6603 ? mL 39.46( (a 00 Am on l moke 5.4. Which contains more total atoms, one mole of Alb(COs)s or two moles f Baso,?Explanation / Answer
Question 5.3 a
Molar Mass of NaOH = 40 g/mol
Mass of 2.5 Mole NaOH = 2.5 mol x 40 g/mol = 100 gm
Question 5.3 b
Molar Mass of CO2 = 44 g/mol
Moles of 100g of CO2 = 100 g /44 g/mol = 2.27 mol
Quesiton 5.3 b
Volume of One mole gas = 24.4 Liter
Moles of Argon = 522 / 24.4 = 21.39 Moles of Ar gas present
Question 5.3 d
Density of Hexane = 0.66 g/ml
Mass of hexane = 25.9 ml x 0.6603 g/ml = 17.10 g
Molar mass of hexane = 86.18 g/mol
Moles of hexane = 17.10 / 86.18 = 0.1984 Moles
Question 5.4
Number of atoms in Al2(CO3)3 = 11
Number of atoms in BaSO4 = 6
Hence 1 mole of Al2(CO3)3 have higher number of total atoms
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