Some help please :)??

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Some help please :)??

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Answer 1 · 2018-05-23T14:47:32

You first find the molecule formulae for both:

Explanation:

Sucrose $C_{12} H_{22} O_{11}$ $C_12H_22O_11$

$C_{12} : 12 \times 12.01 = 144.12$ $C_12: 12xx12.01=144.12$
$H_{22} : 22 \times 1.01 = 22.22$ $H_22: 22xx1.01=22.22$
$O_{11} : 11 \times 16.00 = 176.00$ $O_11: 11xx16.00=176.00$
These added $= 342.34$ $=342.34$

Palmitic acid $C_{16} H_{32} O_{2}$ $C_16H_32O_2$

$C_{16} : 16 \times 12.01 = 192.16$ $C_16: 16xx12.01=192.16$
$H_{32} : 32 \times 1.01 = 32.32$ $H_32: 32xx1.01=32.32$
$O_{2} : 2 \times 16.00 = 32.00$ $O_2: 2xx16.00=32.00$
These added $= 256.48$ $=256.48$

Note: because of the rounding, we can't trust the last digit, so I would round to $342.3$ $342.3$ and $256.5$ $256.5$ respectively.

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