39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of phosphine, PH3 b. 4.75 g of phosphine, PH3 c. 1.25 × 10-2 g of lead(II) acetate, Pb(CH3 CO2)2

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39

3:18
ll LTE O
Done
A ng.cengage.com
AA C
CENGAGE MINDTAP
Chapter 8: Chemical Composition
a AA I
Answer
39. Calculate the number of molecules
present in each of the following
samples.
a. 4.75 mmol of phosphine, PH3
b. 4.75 g of phosphine, PH3
C. 1.25 × 10-2
g of lead(II) acetate,
Pb(CH; CO2)2
d. 1.25 × 10-2 moles of lead(II)
acetate, Pb(CH3 CO2)2
e. a sample of benzene, C6H6, which
contains a total of 5.40 moles of
carbon
40. Calculate the number of molecules
present in each of the following
samples.
a. 3.54 moles of sulfur dioxide, SO2
>
000
Transcribed Image Text:3:18 ll LTE O Done A ng.cengage.com AA C CENGAGE MINDTAP Chapter 8: Chemical Composition a AA I Answer 39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of phosphine, PH3 b. 4.75 g of phosphine, PH3 C. 1.25 × 10-2 g of lead(II) acetate, Pb(CH; CO2)2 d. 1.25 × 10-2 moles of lead(II) acetate, Pb(CH3 CO2)2 e. a sample of benzene, C6H6, which contains a total of 5.40 moles of carbon 40. Calculate the number of molecules present in each of the following samples. a. 3.54 moles of sulfur dioxide, SO2 > 000
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