In a lab you measure out 0.159 mol of C7H14O7. How many grams should you weight out?

asked Feb 20, 2023 142k views

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1) find the molar mass of C₇H₁₄O₇.

$=7(12.01)\ +\ 14(1.01)\ +\ 7(16.00)\\\\=84.07\ +\ 14.14\ +\ 112.00\\\\=210.21\ g/mol$

2) solve using dimensional analysis

$=0.159\ mol\ C_(7)H_(14)O_(7)$ ×
$(210.21g\ C_(7)H_(14)O_(7))/(mol\ C_(7)H_(14)O_(7))$

= 33.42339

= 33.4g C₇H₁₄O₇

Snaggs answered Feb 26, 2023

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