Question

You may want to reference (Pages 291 - 293) Section 8.6 while completing this problem. Use the molar volume to calculate each of the following at STP.

Part A Part complete Calculate the number of moles of CO2 in 4.10 L of CO2 gas. Express your answer to three significant figures and include the appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part complete Calculate the volume, in liters, occupied by 0.140 mol of He gas. Express your answer to three significant figures and include the appropriate units. -- SubmitPrevious AnswersRequest Answer Part C Part complete Calculate the volume, in liters, occupied by 1.90 g of O2 gas. Express your answer to three significant figures and include the appropriate units. -- SubmitPrevious AnswersRequest Answer Part D Part complete Calculate the number of grams of Ne contained in 18.5 L of Ne gas. Express your answer to three significant figures and include the appropriate units. -- nothing Value nothing Units SubmitPrevious AnswersRequest Answer

Answer 1

Here, as the question asked some calculations, so the answer is given in the following images.

I hope it will help you.

Thanks.

Que 0. To calculate no. of moles of coa in 4.10L of co- gas. Ig asume that the volume of Con given is L 'ant STP). Solll So the formula used to calculate, - no. of moles of a gas is S STP standard 1 Temp. & 22.4L . pressme se at 273k n = 4.10k (given) and 1Atm. 22:44 In = 0.187 moio moles Part To Calculate Volume in Itri, occupied by 0.140 moles of He gas. As done in above Quen, Sol: formula is :- M = V(STP) 22.4L 0.140 so. (V = 3 136 4 UI

Paut © - Calculate vol. in the , sccupied by 1.909 02 gou. Soll: Stop ! we are to find the no. of moles of Oxygen first. wow 1-90g x 193 2764 037 Imol T 3290/02Ooopa mol Pie ma 0.059 Step 2 Now, to no. of moles calculate the Volume in Litres ar 22:4L Calcubted instep- 0.059 amol = V (1) 224L Tule) og 1:322)