Table of Contents
How many moles is 25g?
1.38 moles
Hence, 1.38 moles (mol) are present in 25 grams of water.
How many moles is 24g of NaCl?
Assuming for this example that there are 24g of NaCl, the conversion would be: 24/58.5=. 41 moles of solute.
How many moles are in 20g of NaCl?
0.342 mol
The mass of NaCl is given as 20g. So, the number of moles of NaCl present in 20 g of NaCl is 0.342 mol.
How many moles are in NaCl?
One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g.
How many moles of NaCl are in 3g of NaCl?
1 Answer. David G. 3 g is 0.075 mol of NaCl . Multiply this by Avogadro’s number to find that this amount of salt contains 4.5×1022 formula units of NaCl .
How many atoms are in 25g of NaBr?
How many NaBr molecules are contained in25 g of NaBr? (Atomic mass of Na = 23, Br = 35) 2.34 x 1020 molecules. 102.96 molecules.
How many moles are present in 10g NaCl?
Hence, 10 grams of NaCl is equivalent to 1/58.5×10 moles, which is equal to 0.17 moles of NaCl.
How many moles are in 25 grams of H2SO4?
0.25 mole of H2SO4 = 98∗0. 25 = 24.5g.
How many grams are in 1 mol?
The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12. 12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms • The number of particles in 1 mole is called Avogadro’s Number (6.0221421 x 1023).
How many moles are in 23g of sodium?
1 mole
The number of moles of sodium atom in 23g of sodium is 1 mole.
How many grams are in 1 mole?
One mole consists of Avogadro number of atoms….= 3 x 28.01 = 84.03 grams.
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How many moles are present in 28g of sodium?
The answer is 22.98977.
How many moles are there in 40g of Na?
Answer:1 mol, 7.53*10^23 atoms and 6.02*10^23 molecules. Explanation: The number of moles = mass/molar mass. 1 mole of NaOH =40g by mass /40g by molar mass.