# Calculate the molar mass for mn2o3 an oxide of manganese

Asked by wiki @ in Chemistry viewed by 169 People

Calculate the molar mass for Mn2O3, an oxide of manganese.

Explanation:

Mn2O3

Molar mass = (54.9*2) Mn + (16*3)O

= 109.8 + 48

= 157.8g/mol

## How to calculate the molar mass of an unknown gas

Asked by wiki @ in Chemistry viewed by 455 persons

The molar mass of unknown gas was measured by effusion experiment. it was found that it took 63s for the gas to effuse, whereas nitrogen gas required 48s. what is …

## Calculate the molar mass of a compound if 0.372 mole

Asked by wiki @ in Chemistry viewed by 308 persons

Calculate the molar mass of a compound if 0.372 mole of it has a mass of 152g​

## What is the molar mass of iron ii sulfate feso4

Asked by wiki @ in Chemistry viewed by 349 persons

What mass of FeSO4^2- x 6H20 (Molar Mass=260g/mol) is required to produce 500 mL of a .10M iron (II) sulfate solution. A.) 9g B.) 13g C.) 36g D.) 72g

## What is the molar mass of copper ii sulfate cuso4

Asked by wiki @ in Chemistry viewed by 466 persons

An aqueous solution is 15.0% by mass of copper(II) sulfate pentahydrate, CuSO4∙5H2O.What is the molarity of CuSO4 in this solution at 20°C?The density of this solution at 20°C is1.167g/mL(molecular weight …

## Where do you find the molar mass of an element

Asked by wiki @ in Chemistry viewed by 320 persons

How is the molar mass of an element determined?

## The mass number of an atom can be calculated from

Asked by wiki @ in Physics viewed by 365 persons

To find the number of neutrons in an atom, you would subtract A.) mass number from atomic number B.) atomic number from mass number C.) atomic number from electron number …

## Determining the molar mass of an unknown acid by titration

Asked by wiki @ in Chemistry viewed by 294 persons

An unknown solid acid has a formula h2x. How could you determine the molar mass of the unknown acid for a titration with 0.455 m koh using phenolphthalein indicator?

## Calculate the percentage by mass of sodium in sodium bicarbonate

Asked by wiki @ in Chemistry viewed by 312 persons

(Need all boxes answered) Bicarbonate of soda (sodium hydrogen carbonate) is used in many commercial preparations. Its formula is NaHCO3. Find the mass percentages (mass %) of Na, H, C, …

## Calculate the mass of sodium acetate that must be added

Asked by wiki @ in Chemistry viewed by 287 persons

How many grams of sodium acetate ( molar mass = 83.06 g/mol ) must be added to 1.00 Liter of a 0.200 M acetic acid solution to make a buffer …

## How to find the mass of oxygen in magnesium oxide

Asked by wiki @ in Chemistry viewed by 288 persons

What is the percent composition by mass of oxygen in magnesium oxide, MgO? (Molar mass of MgO = 40.3 g/mol) % Your answer should be rounded to three significant figures. …

## Determine the molar mass of each of the following compounds

Asked by wiki @ in Chemistry viewed by 394 persons

Use the periodic table to calculate the molar mass of each of the following compounds. Give your answer to the correct number of significant figures. Ammonia (NH3): g/mol Lead(II) chloride …

## The molar mass of calcium hydroxide ca oh 2 is

Asked by wiki @ in Chemistry viewed by 275 persons

If the molar mass of calcium hydroxide (Ca(OH)2) is 74.1 g/mol, how many grams of calcium hydroxide are required to prepare 2.00 liters of 0.60 M calcium hydroxide

## Molar mass of chcl3

Asked by wiki @ in Chemistry viewed by 274 persons

What is the molar mass of CHCL3

## Molar mass of nh4 2s

Asked by wiki @ in Chemistry viewed by 332 persons

What is the molar mass of (NH4)2S

## What is the molar mass of h2co3

Asked by wiki @ in Chemistry viewed by 259 persons

What is the molar mass of H2CO3?

## What is the difference between a white and red reaction

Asked by wiki @ in Chemistry viewed by 1887 persons

## Convert 8.00 x 10 20 molecules of h2 to moles

Asked by wiki @ in Chemistry viewed by 1703 persons

## A vitamin c tablet containing 250 mg of ascorbic acid

Asked by wiki @ in Chemistry viewed by 1170 persons

## Calculate the molality of a 20 by mass ammonium sulfate

Asked by wiki @ in Chemistry viewed by 958 persons

## How many carbon atoms are in 2.12 mol of propane

Asked by wiki @ in Chemistry viewed by 915 persons

## Determine the minimum mass of hydrogen gas required to produce

Asked by wiki @ in Chemistry viewed by 894 persons

## An oxidation reduction reaction that is also a synthesis reaction

Asked by wiki @ in Chemistry viewed by 815 persons

## Which of the following is true about subatomic particles

Asked by wiki @ in Chemistry viewed by 804 persons

## Which of the following statements regarding electrical safety is correct

Asked by wiki @ in Chemistry viewed by 758 persons

## The mass of 1.21 x10 20 atoms of sulfur is

Asked by wiki @ in Chemistry viewed by 730 persons

## Calculate the mass of 3.05 buckets of golf balls answer

Asked by wiki @ in Chemistry viewed by 717 persons

## What is the ph of a 1.2 m ch3nh3no3 solution

Asked by wiki @ in Chemistry viewed by 714 persons

## A solution that contains 70g of nano3 at 30 c

Asked by wiki @ in Chemistry viewed by 668 persons

## What is the electron pair geometry for c in cs2

Asked by wiki @ in Chemistry viewed by 660 persons

## What is the uncertainty of a 50 ml graduated cylinder

Asked by wiki @ in Chemistry viewed by 659 persons