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You need also to know the volume or the mass of the sample.

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How to find moles from volume in a chemical reaction?

To find moles from volume in a chemical reaction, you can use the formula: moles volume (in liters) / molar volume (22.4 L/mol at standard conditions). Simply divide the volume of the gas by the molar volume to calculate the number of moles present in the reaction.


How do you find molar concentration of chemical compounds?

By applying the formula: No. of moles = Mass of compound / Molar Mass of compound eg: We have to find concentration of KMnO4,so ; No.of moles of KMno4 = Mass of KMnO4 / Molar mass of KMnO4


Moles of As in Na2HAsO4.7H2O?

To find the moles of As in Na2HAsO4.7H2O, you would first calculate the molar mass of Na2HAsO4.7H2O, then divide the molar mass of As by the molar mass of Na2HAsO4.7H2O to find the moles of As.


How do you find the number moles of uranium are there in 3 cubic centimeters of uranium and how many are there?

To find the number of moles of uranium in 3 cubic centimeters, you would need to know the density of uranium. Once you know the density, you can calculate the mass of 3 cubic centimeters of uranium and then use the molar mass of uranium to convert the mass to moles. The number of moles can be calculated using the formula: moles = mass (g) / molar mass (g/mol).


How do you find no of atoms if molar mass and density is given?

This is actually a chemistry question, but I found it in the math section... well anyways you use an equation with avogadro's number. P(density)=(((#atoms)(molar mass))/((avogadro's number)(volume))). You're solving for #atoms so rearrange the equation. You have density, molar mass, and avogadro's number. As for volume, assuming you know what element this is (which you should know from the molar mass even if it's not given), you should be able to compute volume from the unit cell measurements. If you do not know unit cells... I'm not sure.


How many moles are in 89.0 grams of aluminum?

all you have to do to fine the moles of any element is divide the given grams by the molar mass (which you can find on a periodic table of elements) Likewise, if you need to find the grams, just multiply the number of moles by molar mass. moles = grams/molar mass grams = moles x molar mass your equation should look like this: moles = 89.0 / 17.0 moles = .471


How do you find moles of hydrogen?

To find the moles of hydrogen, you can divide the given mass of hydrogen by its molar mass. The molar mass of hydrogen is approximately 1 g/mol. So, moles of hydrogen = mass of hydrogen (in grams) / molar mass of hydrogen (approximately 1 g/mol).


How is the number of moles of an element determined from the known mass?

To determine the number of moles of an element from its known mass, you can use the formula: moles = mass / molar mass. First, find the molar mass of the element from the periodic table. Then, divide the given mass of the element by its molar mass to find the number of moles.


What is the molar mass of the nonelectrolyte compound if a 4.305 g sample of it is dissolved in 105 g of water?

To find the molar mass of the nonelectrolyte compound, we need to use the formula: Molar mass (mass of compound / moles of compound) First, we need to find the moles of the compound by using the formula: moles mass / molar mass Given that the mass of the compound is 4.305 g and it is dissolved in 105 g of water, we can calculate the moles of the compound. Next, we can find the molar mass of the compound by rearranging the formula: Molar mass mass / moles By plugging in the values, we can calculate the molar mass of the nonelectrolyte compound.


How many moles of of aluminum chloride could be produced from 29.0 g of aluminum?

To determine the moles of aluminum chloride produced, you need to use the balanced chemical equation. If aluminum reacts with chlorine to form aluminum chloride, the molar ratio is 2:3. First, determine the moles of aluminum using its molar mass, then use the molar ratio to find the moles of aluminum chloride that could be produced.


How many moles are in 0.525g of AgCl?

To find the number of moles in 0.525g of AgCl, you need to divide the mass by the molar mass of AgCl. The molar mass of AgCl is 143.32 g/mol. moles = mass / molar mass moles = 0.525g / 143.32 g/mol moles ≈ 0.0037 mol


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.