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171 solutions

Mole Concept

Q. One molecule of a compound weights 2.51×10-22 g. The molar mass of this compound is:

Solved • Dec 5, 2019

Mole Concept

Q. Ch.6_20: How many moles of atoms are in each elemental sample? c) 7.91 x 10^23 K atoms d) 4.41 x 10^21 Ca atoms

Solved • Dec 5, 2019

Mole Concept

Q. Ch.6_20: How many moles of atoms are in each elemental sample? a). 4.6 x 10^24 Pb Atoms? b) 2.87 x 10^22 He atoms?

Solved • Dec 5, 2019

Mole Concept

Q. Determine the number of moles of C in 26.0 mol C8H18 (answer=3 significant figures)

Solved • Nov 28, 2019

Mole Concept

Q. Determine the number of moles of C in 5.33 mol C4H10

Solved • Nov 28, 2019

Mole Concept

Q. Determine the number of moles of C in 0.117 mol C2H6

Solved • Nov 28, 2019

Mole Concept

Q. Determine the number of moles of C in 1.9 mol of CH4

Solved • Nov 21, 2019