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How many moles of strontium hydroxide are in 4.25 g of strontium hydroxide?
You must first find the molar mass of the element or compound. Use the periodic table (see the link to the left of the answer). If the chemical is an element, just read off the atomic mass from the periodic table. If it is a compound, you must know the molecular formula, and then you find the total molar mass of the compound by adding up the atomic masses of each atom in the compound. The unit of the molar mass will be in grams per moles (g/mole)Once you have the molar mass, you can easily convert from grams to moles, and also from moles to grams.Number of moles = (# of grams) ÷ (molar mass)Number of grams = (# of moles) × (molar mass)Here are a two examples:Example 1:How many moles are in 5 grams of O2?The molar mass of O2 = 16.00 g/mole x 2 (for 2 atoms of oxygen) or 32.00 g/mole.5 g of O2 ÷ (32 g/mole) = 0.15625 molesExample 2:How many grams does 4 moles of NH3 weigh?The molar mass of NH3 = 14.01 + (3 × 1.01) = 17.04 g/mole4 moles × 17.04 g/mole = 68.16 gramsGrams in a MoleIn chemistry, a mole is considered to be Avogadro's number (6.02 × 1023) of molecules (or anything) of a substance - so depending on the density of the substance, the mass of that amount of the substance could vary widely. One mole of hydrogen, for example, would have a different mass than one mole of lead. The question compares two different measurements of a given substance, rather like asking "how heavy is a gallon?". The question becomes "A gallon of what"?
How many grams of gold are there in 15.3 moles of gold?
First look up the atomic mass of gold on the periodic table: Gold, with atomic symbol Au, has an atomic mass of 196.9 grams/mole. Then simply take 15.3 moles of gold and multiply by 196.9 grams/mole to get 3008 grams, which is equal to 3.01 kilograms (kg) gold.
What is a balance molecular equation for strontium hydroxide and lithium phosphate in an aqueous medium?
Because strontium sulfate is much less soluble in water than strontium chloride, sodium chloride, or sodium sulfate, this reaction is: Na2SO4 (aq) + SrCl2 (aq) => 2 NaCl (aq) + SrSO4 (s).
How many rupees are in 1 mole of rupee?
Rupees are not atoms or molecules and therefore there is no such thing as a mole of rupees.
What does hamlet mean by some vicious mole?
some vicious mole...
What is 1 mole of ammonium nitrate?
One mole of ammonium nitrate is equal to its molar mass, which is approximately 80.04 grams. This quantity represents Avogadro's number of individual ammonium nitrate molecules.
How many grams are in strontium chloride?
Well, honey, strontium chloride has a molar mass of about 158.53 grams per mole. So, if you're looking for the amount of grams in a specific quantity of strontium chloride, you'll need to do a little math based on the number of moles you have. But hey, don't stress too much, just grab a calculator and you'll have your answer in no time.
What is 1 mole of nitrate?
80.02 grams
How many mole of nitrate ion in one mole of potassium nitrate?
Potassium nitrate is KNO3. There is one potassium per one nitrate. One mole of potassium nitrate contains one mole of nitrate.
What is the molecular mass of sodium nitrate?
The molecular mass of sodium nitrate is 84,9947.
How many molecules would be found in 427.4 grams of potassium nitrate?
Quite a few! 427.4 grams KNO3 (1 mole KNO3/101.11 grams)(6.022 X 1023/1 mole KNO3) = 2.546 X 1024 molecules of potassium nitrate -----------------------------------------------------------
How many grams are in a mole of he?
4.003 grams
What is the molar mass of strontium sulfide?
The molar mass of strontium sulfide (SrS) is 119.63 grams per mole. This value is calculated by adding the atomic masses of strontium (87.62 g/mol) and sulfur (32.07 g/mol) together.
What is the mass of 1 mol of NaNO3?
Using atomic weights for Na = 23 and N=14 and O = 16, one arrives at a mass for 1 mole of NaNO3 of23 + 14 + (3x16) = 85 grams/mole
How many grams are in one mole of C5H12?
The molar mass of C5H12 is 72 grams/mole.
How many moles of nitrogen gas are produced when ammonium nitrate reacts?
1 mole of ammonium nitrate produces one mole of nitrogen. Actually the amount (in moles) of nitrogen will depend on how much NH4NO3 you are starting with, what other reactant you are combining it with and whether or not the NH4NO3 completely reacts. Since you will never be able to retrieve all of the nitrogen (either the NH4 or the NO3 will retain some nitrogen depending upon the reaction), you can reasonably expect to get 1 mole of N2 for each 14.01 grams of Ammonium nitrate that COMPLETELY reacts.
How many moles of solute particles are produced by adding one mole of sodium nitrate to water?
When one mole of sodium nitrate (NaNO3) is added to water, it dissociates into one mole of sodium ions (Na+) and one mole of nitrate ions (NO3-). So, one mole of sodium nitrate produces two moles of solute particles in total when dissolved in water.
