Chemistry
luke5sauce
2021-02-21 05:18:48
The mass in grams of 2.75 x 1021atoms of Li is. a. 0.3017 g c. 3.017 g b. 0.0317 g d. 0.00317 g
ANSWERS
mirs
2021-02-21 07:58:50

Molar mass of Li = 6.9 g/mol 6.9 g -------------------- 6.0x10²³ atoms      g -------------------- 2.75x10^21 atoms 6.0x10²³ g = 6.9 * (2.75x10^21) 6.0x10²³ g = 1.8975x10²² g = 1.8975x10²² / 6.0x10²³ x = 0,0317 g answer b hope this helps!.

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