From the Periodic Table, lithium has an atomic weight of 6.941. The molar mass of an element is the atomic weight in grams.
Therefore,
1 mole Li = 6.941g Li
Therefore,
moles Li = 15g Li X 1 mole Li/6.941g Li = 2.2 moles Li
15 moles O2 (32 grams/1 mole O2) = 480 grams
134.1 grams
To find the number of moles of zinc in 15 grams, divide the given mass by the molar mass of zinc. The molar mass of zinc is approximately 65.38 g/mol. Therefore, 15 grams of zinc is equal to 0.23 moles of zinc.
To calculate the number of molecules in 15 grams of ethane (C2H6), first find the molar mass of C2H6, which is 30.07 g/mol. Next, calculate the number of moles in 15 grams using the formula: moles = mass / molar mass. Finally, use Avogadro's number (6.022 x 10^23 molecules/mol) to convert moles to molecules.
To find the number of moles, you need to divide the given mass (15 grams) by the molar mass of sodium hydroxide. The molar mass of NaOH is 40 g/mol (22.99 g/mol for Na + 16 g/mol for O + 1.01 g/mol for H). So, 15 grams / 40 g/mol = 0.375 moles of NaOH.
15 grams of nitrogen are equal to 1,071 moles.
15 moles of 02 equal 480 g.
15 moles O2 (32 grams/1 mole O2) = 480 grams
15g Li * (1mol Li / 6.941g Li) = 2.16 mol Li
134.1 grams
There are approximately 27 grams in 1.5 moles of water.
To find the number of moles of zinc in 15 grams, divide the given mass by the molar mass of zinc. The molar mass of zinc is approximately 65.38 g/mol. Therefore, 15 grams of zinc is equal to 0.23 moles of zinc.
To calculate the number of molecules in 15 grams of ethane (C2H6), first find the molar mass of C2H6, which is 30.07 g/mol. Next, calculate the number of moles in 15 grams using the formula: moles = mass / molar mass. Finally, use Avogadro's number (6.022 x 10^23 molecules/mol) to convert moles to molecules.
The equivalent is 1,6.10e-15 moles.
To find the number of moles, you need to divide the given mass (15 grams) by the molar mass of sodium hydroxide. The molar mass of NaOH is 40 g/mol (22.99 g/mol for Na + 16 g/mol for O + 1.01 g/mol for H). So, 15 grams / 40 g/mol = 0.375 moles of NaOH.
100 grams
15 grains = about 0.971 grams.