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What is the percent composition of CA in CaO?
40 g / 56 g X 100%
What is the percent composition of calcium (Ca) in (CaO)?
40 g / 56 g X 100%
What is the formula mass of CaSO4?
The formula mass of CaSO4 is calculated by adding the atomic masses of each element in the compound. Ca has an atomic mass of 40 g/mol, S has an atomic mass of 32 g/mol, and O has an atomic mass of 16 g/mol. So, the formula mass of CaSO4 is 40 + 32 + (4 x 16) = 136 g/mol.
If 20.0 grams of Ca combines completely with 16.0 grams of S to form a compound what is the percent composition of Ca in the compound?
First, find the molar mass of Ca and S (40.08 g/mol for Ca and 32.06 g/mol for S). Next, calculate the moles of each element present (0.499 mol of Ca and 0.499 mol of S). Find the total mass of the compound (36.0 g) and calculate the percent composition of Ca (about 55.6%).
What is the chemical formula for calcium sulphate?
The formula for calcium sulfate is CaSO4. Oh yah im smart!
What is the percent composition of CA in CaO?
40 g / 56 g X 100%
What is the percent composition of calcium (Ca) in (CaO)?
40 g / 56 g X 100%
What is the approximate percent composition by mass of CaBr2?
The total mass of CaSO4 is 136.139 g/mol. - The mass of Ca is 40.078, so % comp is 40.078/136.139 x 100 = 29.4% - The mass of S is 32.065 so % comp is 23.56%, using the method above - The mass of O is 15.999, but because there are four O atoms in the compound, the % comp will be (15.999 x 4) / 136.139 x 100 = 47.0%
What is the formula mass of CaSO4?
The formula mass of CaSO4 is calculated by adding the atomic masses of each element in the compound. Ca has an atomic mass of 40 g/mol, S has an atomic mass of 32 g/mol, and O has an atomic mass of 16 g/mol. So, the formula mass of CaSO4 is 40 + 32 + (4 x 16) = 136 g/mol.
If 20.0 grams of Ca combines completely with 16.0 grams of S to form a compound what is the percent composition of Ca in the compound?
First, find the molar mass of Ca and S (40.08 g/mol for Ca and 32.06 g/mol for S). Next, calculate the moles of each element present (0.499 mol of Ca and 0.499 mol of S). Find the total mass of the compound (36.0 g) and calculate the percent composition of Ca (about 55.6%).
What is the chemical formula for calcium sulphate?
The formula for calcium sulfate is CaSO4. Oh yah im smart!
What is the chemical equation Ca plus H2SO4?
The chemical equation for the reaction between calcium (Ca) and sulfuric acid (H2SO4) is: Ca + H2SO4 -> CaSO4 + H2. This reaction produces calcium sulfate (CaSO4) and hydrogen gas (H2).
How do you calculate the percent composition of calcium hydroxide?
To calculate the percent composition of calcium hydroxide, you would first determine the molar mass of the compound by adding the atomic masses of each element present (Ca, O, H). Next, find the contribution of each element to the total molar mass, and divide by the molar mass of the compound to get the percentage composition. Multiply by 100 to get the percentage.
Balance this equation CaOh plus H2So4 equals CaSo4 plus H2O?
The balanced equation is Ca(OH)2 + H2SO4 → CaSO4 + 2H2O.
What is the percent composition of calcium oxide?
The percent composition of calcium oxide (CaO) is 71.5% calcium (Ca) and 28.5% oxygen (O).
What 3 elements have the formula of CaSO4?
Calcium, sulfur, and oxygen are involved in CaSO4.
What is the percent composition of acetate?
The percent composition by element of Ca(C2H3O2)2 is calcium 25.339%, hydrogen 3.824%, carbon 30.375%, and oxygen 40.462%.
