How many atoms of sodium are present in the sample

Assignment Help Chemistry
Reference no: EM13119992

Suppose you have a sample of sodium weighing 11.42 g. How many atoms of sodium are present in the sample?

Reference no: EM13119992

Questions Cloud

How much heat in kilojoules is evolved : How much heat in kilojoules is evolved in converting 1.50 mole of steam at 150 deg celsiys to ice at -35.0 deg. celsius? The heat capacity of steam is 1.84 J/g. deg celsius.
Inequality word problem : The sum of two numbers is less then 27. The second number is 7 less then the first. What are the possible values for the first and second number
Why is independence so essential for auditors : Explain the reason for the strict requirement about stock ownership in the rules of conduct.
Algebra-solving a word problem : Problem: Two rainstorms occurred in one week in a certain area. In the first storm 30 ml of rain fell per hour, and in the second storm 20 ml of rain fell per hour.
How many atoms of sodium are present in the sample : Suppose you have a sample of sodium weighing 11.42 g. How many atoms of sodium are present in the sample.
How many grams of solid naocl must be added : how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
Information about algebra - radicals : Simplifying a sum of radical expressions. Simplify the following expression as much as possible:
Determine the tax consequences of a corporate reorganization : Determine the tax consequences of a corporate reorganization.
Calculate the final temperature of the mixture : A 29.0-g sample of water at 250. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the ph of a solution

Sorbic acid, C5H7COOH, is a weak monoprotic acid with Ka = 1.7 x 10-5. Calculate the pH of a solution containing 11.25 g of potassium sorbate in 1.75 L of solution.

  Determine the molecule weight of the liquid

determine the molecule weight of the liquid and the density of the vapor under these condition?

  What is the average density of the earth''s mantle

The radius of the Earth is approximately 6370 km. if one could dig down straight towards the center of the Earth, one would find that the innermost 3480 km (the core) has an average density of about 11.g/cm^3.

  What is the percent yield of this reaction

Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.

  What is the final temperature of the mixture

If you have 240.0 mL of water at 25.00 °C and add 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture.

  What is the mass of x

Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.

  How many grams of acetic acid are in vinegar

If 3.25ml of vinegar needs 40.0 of 0.130M NaOh to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.30qt sample of this vinegar.

  How many times faster is reaction second

Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.

  Describe the hybrid orbitals used by the central atom

Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .

  What mass of calcium carbonate will produce

What mass of CaCO3 will produce 8.0 L of CO2, measured at standard temperature and pressure conditions? Molar mass of CaCO3 = 100. g per mole.

  Determine the mass of concentrated lioh

A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.

  Determine the energy difference between the orbitals

Sodium atoms(Na) emit light with a wavelength(λ) of 330 nano meters when an electron moves from a state of 4 p orbital to a state of 3 s orbital now you just need to determine the energy difference between the orbitals.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd