help question 22-26 please with Agr I the to final igh, Agci of such, the fins!

Question

help question 22-26 please

with Agr I the to final igh, Agci of such, the fins! reading would sus on the for the mass of original sample mass of paper 1.0051g mass of filter 22. How much Agol (in was collected in this experimenn A. 04122 23, How much Ch (in z was present in the ample used this exrenmane 0.07&3 B. 0.0985 24. What is the 54C in original sample? Consider the following seven molecules the next threeo5quesso CCI. SF. 25. Which of these molecules have has) ALL boed angles CCL, SFs, and PC CCL eally D. PCIs eely B. SF and PCIs 26, Which of these molecules have (has) a linear molecular geooachy? C, CO: only A. HS only E. con and B. SO2 only D. HS, co: and so,

Explanation / Answer

Q22.

find mass of AgCl Collected

Mass of filter + AgCl - Mass of filter = (1.4173-1.0051) = 0.4122 g

best answer is A

Q23.

Cl- in grams in sample:

mol of AgCl = mass/MW = 0.4122/143.32 = 0.0028760 mol of AgCl = 0.0028760 mol of Cl-

mass of Cl- = 0.0028760*35.453 = 0.10196 g of Cl-

Q24.

% Cl- in sample = mas sof Cl- / total mass * 100% = 0.10196/0.334*100 = 30.526 %

Q25

bonds of 90°

A is false, CCl4 has 109

B flase, PCl5 has also 120 angles

choose only CCl4

Q26

linear moleucles are CO2 only

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