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How many moles are in 45 grams of potassium oxide?
45/94.2 is 0.4777 moles
How many moles are in 45g of F?
The molecular mass of fluorine gas, F2 is 2(19.0) = 38.0Amount of F2 = mass of sample/molar mass = 9.5/38.0 = 0.25mol There are 0.25 moles of fluorine in a 9.5g pure sample.
If you have a material that has a volume of 45mL and a mass of 180 grams what is the density of the material?
The density of the material is its mass divided by its volume. In this case, the density would be 180 grams / 45 mL = 4 grams/mL.
How many moles in 55g of lithium chloride?
To find the number of moles in 55g of lithium chloride, we first need to calculate the molar mass of lithium chloride, which is approximately 42.39 g/mol. Then, we divide the mass given (55g) by the molar mass to get moles. Therefore, 55g of lithium chloride is approximately 1.30 moles.
How many grams of ice can be melted with 145 grams of 45 degree C H2O?
To calculate how many grams of ice can be melted by 145 grams of water at 45Ā°C, you first need to determine how much heat is required to cool the water to 0Ā°C and then how much heat is needed to melt the ice at 0Ā°C. Use the specific heat capacity of water (4.18 J/gĀ°C) and the heat of fusion of ice (334 J/g) in your calculations. The final result will be the mass of ice melted.
How many grams are in 2.50 moles of H2O?
To calculate the number of grams in 2.50 moles of H2O, you first need to know the molar mass of water (H2O), which is approximately 18.015 g/mol. Then, you can use the formula: grams = moles x molar mass. So, 2.50 moles of H2O is equivalent to 45.04 grams (2.50 moles x 18.015 g/mol).
How many molecules are in 4.21 grams of water?
45 grams H20 x (1 mole H20/18 grams H2O) x (6.02E23 molecules H20/1 mole H2O) the grams H2O and moles H2O cancel out. When you punch it into your calculator, the answer comes out to: =1.505E24 molecules H2O
How many moles are in 45 grams of potassium oxide?
45/94.2 is 0.4777 moles
How many atoms are in 45 grams of pb?
To find the number of atoms in 45 grams of Pb (lead), we need to first calculate the number of moles. The molar mass of Pb is approximately 207.2 g/mol. By dividing the given mass by the molar mass, we can find the number of moles. Then, we can convert moles to atoms using Avogadro's number (6.022 x 10^23 atoms/mol).
What is the mass in grams of 45 ml of water?
The mass of 45 ml of water is approximately 45 grams. The density of water is about 1 gram per milliliter, so 45 ml of water would weigh around 45 grams.
How much water wold form if 14.8 grams of hydrogen reacted with 34.8 grams of oxygen?
45 g water are obtained.
What is the mass of an golf ball?
45 grams
What is the mass of a wiffle ball?
all i know is that it is 45-50 grams in weight. not mass
How many moles are in 45g of F?
The molecular mass of fluorine gas, F2 is 2(19.0) = 38.0Amount of F2 = mass of sample/molar mass = 9.5/38.0 = 0.25mol There are 0.25 moles of fluorine in a 9.5g pure sample.
If you have a material that has a volume of 45mL and a mass of 180 grams what is the density of the material?
The density of the material is its mass divided by its volume. In this case, the density would be 180 grams / 45 mL = 4 grams/mL.
What is the mass of a cardinal bird?
Northern Cardinals weigh about 45 grams.
How many moles in 55g of lithium chloride?
To find the number of moles in 55g of lithium chloride, we first need to calculate the molar mass of lithium chloride, which is approximately 42.39 g/mol. Then, we divide the mass given (55g) by the molar mass to get moles. Therefore, 55g of lithium chloride is approximately 1.30 moles.
