1. A sample of sodium metal is added to water and the hydrogen gas evolved is collected in agas measuring tube over water. The equation for the reaction is:2 Na (s) + 2 H20 ()2 NaOH (aq) H2 (g)If 75.0 mL of hydrogen is collected at 26°C and 0.974 atm, what weight of sodium reacted?

Question
Asked Oct 31, 2019
1. A sample of sodium metal is added to water and the hydrogen gas evolved is collected in a
gas measuring tube over water. The equation for the reaction is:
2 Na (s) + 2 H20 ()
2 NaOH (aq) H2 (g)
If 75.0 mL of hydrogen is collected at 26°C and 0.974 atm, what weight of sodium reacted?
help_outline

Image Transcriptionclose

1. A sample of sodium metal is added to water and the hydrogen gas evolved is collected in a gas measuring tube over water. The equation for the reaction is: 2 Na (s) + 2 H20 () 2 NaOH (aq) H2 (g) If 75.0 mL of hydrogen is collected at 26°C and 0.974 atm, what weight of sodium reacted?

fullscreen
check_circleExpert Solution
Step 1

Given that volume of hydrogen is 75.0 m L ...

PV nRT
PV
RT
0.974 atmx0.075L
n =
0.0821L atm/mol K 299K
n 0.00297mol
help_outline

Image Transcriptionclose

PV nRT PV RT 0.974 atmx0.075L n = 0.0821L atm/mol K 299K n 0.00297mol

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour*

See Solution
*Response times may vary by subject and question
Tagged in

Science

Chemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: The molarity of a solution prepared by dissolving 0.100 mol of Ca(NO3)2 in enough water to make 500....

A: The molarity of the solution can be calculated as,

question_answer

Q: A sealed chamber contains 7.50 g CH4 and 14.5 g O2. The mixture is ignited producing CO2 and H2O. Ho...

A: According to the balanced chemical reaction shown as follows:

question_answer

Q: Indicate the mols present in the following so lution: a) 0.25 M BaCl2 in 1 liter b) 0.25 M C2H5OH in...

A: BaCl2 gives Ba2+ and Cl-.Hence 0.25M and 2×0.25M. That is 0.5MNumber of moles is the product of mola...

question_answer

Q: A 2.00 L sample of N2(g) at 1.50 atm and a 6.92 L sample of O2(g) at 2.50 atm are transferred to a 1...

A: The number of moles of an ideal gas is calculated by using ideal gas equation as shown below.

question_answer

Q: Please see image..thank you!

A: (a)Molar mass of Na332PO4 = 164.97 g/molNumber of mol of Na332PO4  = given mass /molecular mass = 0....

question_answer

Q: Find the change in internal energy for this reaction (in kJ) 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) (-...

A: Given,enthalpy of the reaction as -133.5kJ.The change in moles of the reaction can be calculated as

question_answer

Q: Aluminum reacts with chlorine gas to form aluminum chloride via the formula pattern: 2Al + 3Cl2 ➝ 2A...

A: Number of moles of reactants is calculated.

question_answer

Q: Classify these atomic orbitals as dxy, dyz, dxz, d2-y, or d2. d2 d2-y2 dyz dry Answer Bank

A: The shape of dxy, dyz, and dxz are shown below.

question_answer

Q: What geometric shape is C2H6O

A: The structure for the C2H6O