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How do you convert 5.2 moles of lead to grams?
Using the formula number of moles = mass divided by molar massso mass = number of moles X molar massFind molar mass by adding up the masses of all the atoms in your substance.A good way to remember this is as the formula g/mw = moles, and the mnemonic for this is"Mine workers (mw= molecular weight) under ground (grams of compound you are dealingwith = Moles!
Which mathematical relationship should you use to convert moles of a substance into grams?
You can use the molar mass of the substance to convert moles into grams. This involves multiplying the number of moles by the molar mass of the substance, where the molar mass is expressed in grams per mole. This relationship allows you to convert between the two units.
How do you convert molar mass into moles?
To convert moles of a substance into grams you first need to figure out its molecular mass. Then you can use this equation: grams(g)=moles(n) X molecular mass For example, 1 mole of Carbon (which has a molecular mass of 12) has a mass of 12 grams.
How many grams are in 2.25 moles of N2?
For this you need the atomic (molecular) mass of N2. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel.2.25 moles × 28.0 grams = 63.0 grams N2
Which mass of kcl would you add to water to make a 2.00 l of a 1.20 m solution?
To prepare a 1.20 M potassium chloride (KCl) solution in 2.00 L of water, you would need to add 144 grams of KCl. This calculation can be determined using the formula: moles = Molarity x volume (in liters). Then, convert moles to grams using the molar mass of KCl.
How do you convert moles to pounds?
To convert moles to pounds, you need to know the molar mass of the substance in grams/mol. Once you have the molar mass, you can convert moles to grams using the formula: moles x molar mass. Finally, you can convert the grams to pounds by dividing by 453.59 grams per pound.
How to find the empirical formula from percentages?
To find the empirical formula from percentages, convert the percentages to grams, then divide the grams by the element's molar mass to find the moles. Finally, divide the moles by the smallest number of moles to get the ratio of elements in the compound, which represents the empirical formula.
How to convert grams to atoms?
To convert grams into atoms, you have to convert them into moles first. Get the molar mass and multiply it by the number of moles to get the atoms.
How do I convert 38 grams of NaCl to moles and formula units?
For this you need the atomic (molecular) mass of NaCl. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel. NaCl=58.5 grams38.0 grams NaCl / (58.5 grams) = .650 moles NaCl
How do you calculate the empirical formula using percentages?
To calculate the empirical formula using percentages, first convert the percentages to grams. Then divide the grams by the element's molar mass to find the moles. Finally, divide the moles by the smallest number of moles to get the ratio of elements in the compound, which represents the empirical formula.
Convert grams to moles?
To convert grams to moles, you need to know the molar mass of the substance. Divide the given mass in grams by the molar mass to find the number of moles. This calculation is done using the formula: moles = grams / molar mass.
How do I convert molar concentration to grams?
grams divided by the molecular weight to get to moles moles divided by volume to get molarity
How do you convert 90 grams of NaCl to moles?
The answer is 1,54 moles.
Which statement shows how to correctly convert from the mass of a compound in grams to the amount of that compound in moles?
To convert from the mass of a compound in grams to the amount of that compound in moles, you need to divide the mass of the compound in grams by its molar mass (which is found on the periodic table). This will give you the number of moles of the compound. The formula to use is: moles = mass (g) / molar mass.
How can you convert from molecules to grams?
Multiply the number of moles by the molecular weight.
How many formula units are in 22.4 grams SnO2?
To find the number of formula units in 22.4 grams of SnO2, you first need to determine the molar mass of SnO2, which is 150.71 g/mol. Next, calculate the number of moles in 22.4 grams using the formula: moles = mass / molar mass. Then, use Avogadro's number (6.022 x 10^23) to convert moles to formula units.
How many grams of koh are needed to prepare 250 milliliters of a 2 m solution of koh formula mass 56?
To prepare a 2 M solution of KOH, you would need to calculate the moles of KOH required first. Then use the formula mass of KOH (56 g/mol) to convert moles to grams. First, calculate the moles needed: 2 moles/L * 0.25 L = 0.5 moles. Then, convert moles to grams: 0.5 moles * 56 g/mole = 28 grams of KOH needed.
