How many moles of h2 are produced from 0.2000g of Zn? Zn+2HCI--> ZnCl2+H2 Please show how you got your answer Exp. 2Took a 250 mL Erlenmeyer flask and a 50 mL graduated cylinder and added 45ml 6.0 M HCI tothe graduated cylinder, then transferred it to the flask. Closed the flask and added a pressuregauge and thermometer. Initial measurements are as follows: pressure= 1.000 atmtemperature= 21.5 c1Took a balance and a 50 mL beaker, then placed the beaker on the balance (zeroed out). Added0.200g of zinc to the beaker. Initial mass read on balance =0.200g. Transferred zinc in thebeaker to the 250ml flask with 6.0m HCI. The zinc dissolved and bubbled. The pressureincreased and so did the temp.Once the flask cooled to room temp (21.5c), the thermometer and pressure gauge wereremoved. A gas syringe was then attached to the flask. The volume of the gas syringe read73.63 mLOW66°F100E-

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How many moles of h2 are produced from 0.2000g of Zn? Zn+2HCI--> ZnCl2+H2 Please show how you got your answer

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter2: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 2.16E: With reference to Joules apparatus inFigure2.6, assuminga massof 100.Kg ofwater about100L,a weight...

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

How many moles of h2 are produced from 0.2000g of Zn? Zn+2HCI--> ZnCl2+H2 Please show how you got your answer

Exp. 2
Took a 250 mL Erlenmeyer flask and a 50 mL graduated cylinder and added 45ml 6.0 M HCI to
the graduated cylinder, then transferred it to the flask. Closed the flask and added a pressure
gauge and thermometer. Initial measurements are as follows: pressure= 1.000 atm
temperature= 21.5 c
1
Took a balance and a 50 mL beaker, then placed the beaker on the balance (zeroed out). Added
0.200g of zinc to the beaker. Initial mass read on balance =0.200g. Transferred zinc in the
beaker to the 250ml flask with 6.0m HCI. The zinc dissolved and bubbled. The pressure
increased and so did the temp.
Once the flask cooled to room temp (21.5c), the thermometer and pressure gauge were
removed. A gas syringe was then attached to the flask. The volume of the gas syringe read
73.63 mL
O
W
66°F
100
E-

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