Explain what is the mass in grams of one mole of substance

Assignment Help Chemistry
Reference no: EM13656760

Explain what is the mass in grams of one mole of any pure substance is called its molar mass is that true or false? And another one to....the isotope hydrogen-1 is the standard used for the relative scale of atomic masses? Is that true or false

Reference no: EM13656760

Questions Cloud

Optometrist prescribes contact lenses that have focal length : An optometrist prescribes contact lenses that have a focal length of 56.0 cm. Where is the unaided near point of the person located, if the lenses are designed so that objects no closer than 32.0 cm can be observed clearly?
Explain what is the concentration of the solution : Suppose a solution is prepared by dissolving 3.50 grams of NH4Cl in sufficient water to make 250 mL of solution. Explain what is the concentration of this solution in units of molarity
Spool whose inner core has a radius : A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. Spool is free to roll without slipping on a horizontal surface.
Compton scattering and derive a formula for kinetic energy : Think normally about Compton scattering and derive a formula for the kinetic energy imparted to the electron after the photon collision. Your expression must be in terms of the incident photon energy and the angle the photon scattered at.
Explain what is the mass in grams of one mole of substance : Explain what is the mass in grams of one mole of any pure substance is called its molar mass is that true or false. And another one to....the isotope hydrogen-1 is the standard used for the relative scale of atomic masses. Is that true or false
Explain how will decreasing the amount of glucose affect : Explain how will decreasing the amount of glucose affect the rate of ATP production by the cells (in moles ATP / hr) if the amount of yeast in the experiment is held constant
Block on level frictionless surface has two horizontal force : A block on a level frictionless surface has two horizontal forces applied, What forceF2 would cause the block to move in a straight line to the right? If the block moves 75cm, how much work
Define what is the molarity of the kmno4 : If it took 14.4 ml of KMnO4 to titrate a solution that contained .6504 g of KMnO4 and 1.0012 g of an iron containing unknown substance What is the molarity of the KMnO4, moles of MnO4- and Fe2+ and the mass of the Fe2+

Reviews

Write a Review

Chemistry Questions & Answers

  How many kilograms of chalcopyrite must be mined

How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?

  Define the total alkalinity of water in mg/l as caco3

A 300mL water sample has an initial pH of 10. 40mL of 0.02 N H2SO4 were required to titrate the water sample to pH 4.5. What is the total alkalinity of water in mg/L as CaCO3

  What masses of calcium sulfate and phosphoric acid can be

consider the following unbalanced equationca3po42 h2so4 ---gt caso4 h3po4what masses of calcium sulfate and

  Describe how you would calibrate the pipette

You have a choice of a p-20 ,p-100,p-200,p-1000,a 1mL serological pipette , and a 5mL serological pipette. Which one(s) would you choose to make this standard and why? Explain how you would calibrate the pipette(s) you choose.

  What is the freezing point depression of a solution

The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?

  Calculate the amount of fe2(so4)3 formed

2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 -!> Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed. Answer in units of mol.

  Compute the molar solubility and the solubility

Calculate the molar solubility and the solubility of iron (II) hydroxide in pure water then in 0.125M NaOH(aq).

  Explain how many grams of neomycin sulfate

How many grams of Neomycin sulfate should be added to 320 g of 5% neomycin sulfate ointment to prepare an ointment containing 20% neomycin sulfate

  Explain lithium will react with oxygen in a pressurized

Lithium will react with oxygen in a pressurized container to produce solid lithium oxide at 25°C. if 0.130 g Li(s) is placed in a 0.500 L container filled with oxygen at 1.90 atm

  Define the dissolution reaction for the ionic solids

Write the dissolution reaction for the ionic solids below. Use the lowest possible coefficients. Include states-of-matter under the given

  Explain acid or a base according to the arrhenius definition

Identify each of the following as an acid or base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition?

  Explain how much would be liberated by the combustion

For the reaction above, how much would be liberated by the combustion of 5.00g of iron metal in excess oxygen.

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