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What is the molar mass calcium bromide?
The molar mass of calcium bromide is........99,88.
What is the molar mass or lithium oxide?
The molar mass of lithium oxide (Li2O) is 29.88 g/mol.
Calcuate the mass of sodium chloride produced if 12.3 g of sodium oxide reacts with an excess of calcium chloride?
To calculate the mass of sodium chloride produced, first balance the chemical equation for the reaction between sodium oxide and calcium chloride. Next, determine the molar ratio between sodium oxide and sodium chloride in the balanced equation. Finally, use the given mass of sodium oxide and the molar mass of sodium chloride to calculate the mass of sodium chloride produced.
What is the percent by mass of calcium in the compound (CaSO4)?
The molar mass of CaSO4 is approximately 136.14 g/mol. The molar mass of calcium in CaSO4 is 40.08 g/mol. To find the percent composition of calcium in CaSO4, divide the molar mass of calcium by the molar mass of CaSO4 and multiply by 100. The percent by mass of calcium in CaSO4 is approximately 29.45%.
How many grams of calcium carbonate are required to prepare 50.0 g of calcium oxide?
This is a mass stoichiometry problem. Start with the balanced equation: CaCO3 --> CaO + CO2. Do a conversion from 50g CaO to moles: 56g/1mol=50g/x, x=.9 moles. The equation is balanced as written, with all coefficients understood to be 1. So: .9 moles CaO means .9 moles CaCO3. Do another conversion from moles to grams: 100g/1mol=x/.9 moles. Solve for x to get 90 grams. (56g=molar mass of calcium oxide; 100g=molar mass of calcium carbonate.)
What mass of calcium oxide is produced by heating 25 moles of calcium carbonate?
The molar ratio between calcium carbonate and calcium oxide is 1:1. So, 25 moles of calcium carbonate will produce 25 moles of calcium oxide. The molar mass of calcium oxide is 56.08 g/mol, so the mass of calcium oxide produced will be 25 moles * 56.08 g/mol = 1402 g.
What information is needed to calculate the mass of calcium oxide that can be produced frrom 4.7 kg of calcium carbonate?
To calculate the mass of calcium oxide produced from 4.7 kg of calcium carbonate, you need to know the molar mass of calcium carbonate (CaCO3) and calcium oxide (CaO), as well as the stoichiometry of the reaction between these two compounds. This information will allow you to determine the theoretical yield of calcium oxide that can be obtained from the given mass of calcium carbonate.
How many grams of calcium oxide will remain after 12.25grams of calcium carbonate is completely decomposed?
The molar mass of calcium carbonate is 100.1 g/mol, and the molar mass of calcium oxide is 56.08 g/mol. Therefore, 12.25 grams of calcium carbonate would produce 6.86 grams of calcium oxide after decomposition.
How many moles are in 28 grams of calcium oxide?
To find the number of moles in 28 grams of calcium oxide, we need to divide the given mass by the molar mass of calcium oxide. The molar mass of calcium oxide (CaO) is 56.08 g/mol. So, 28 grams of CaO is equal to 28 g / 56.08 g/mol = 0.5 moles of calcium oxide.
How many moles of calcium oxide are produced when 36.5 grams of calcium reacts completely with oxygen gas?
2Ca + O2 --> 2CaO The molar mass of Calcium is 40g/mol. 36.5g/40g gives you 0.9125 moles of Calcium. The moles of calcium are equivalent to the moles of Calcium oxide. The answer is 0.9125 moles of calcium oxide. Correct me if I am wrong.
What is the molar mass calcium bromide?
The molar mass of calcium bromide is........99,88.
What is the percent composing of calcium Ca in CaO?
It would seem that because calcium and oxygen are in equal molar ratio for this compound that it would be 50 percent. But that is incorrect, because they each have differing molar masses. Oxygen has a molar mass of 16.000 and calcium has a molar mass of 40.078. So calcium is 40.078/56.078, which is 71.47 percent.
If calcium oxide can be present by heating calcium metal in oxygen How much calcium would be needed to make 15.0 g of calcium oxide?
To find out how much calcium is needed to make 15.0 g of calcium oxide (CaO), you have to consider the molar ratio of calcium to calcium oxide. The molar mass of CaO is 56.077 g/mol, and the molar mass of Ca is 40.078 g/mol. This means that for every 1 mol of CaO, you need 1 mol of Ca. Calculate the number of moles of CaO in 15.0 g, then use the molar ratio to find the moles of Ca needed. Finally, convert the moles of Ca to grams to find out how much calcium is needed to make 15.0 g of CaO.
What is the molar mass or lithium oxide?
The molar mass of lithium oxide (Li2O) is 29.88 g/mol.
Calcuate the mass of sodium chloride produced if 12.3 g of sodium oxide reacts with an excess of calcium chloride?
To calculate the mass of sodium chloride produced, first balance the chemical equation for the reaction between sodium oxide and calcium chloride. Next, determine the molar ratio between sodium oxide and sodium chloride in the balanced equation. Finally, use the given mass of sodium oxide and the molar mass of sodium chloride to calculate the mass of sodium chloride produced.
What is the molar mass of calcium acetate?
The molar mass of calcium acetate is approximately 142 g/mol.
What is the percent by mass of calcium in the compound (CaSO4)?
The molar mass of CaSO4 is approximately 136.14 g/mol. The molar mass of calcium in CaSO4 is 40.08 g/mol. To find the percent composition of calcium in CaSO4, divide the molar mass of calcium by the molar mass of CaSO4 and multiply by 100. The percent by mass of calcium in CaSO4 is approximately 29.45%.
