Compute the per cent water in the hydrate

Reference no: EM13330992

A solid hydrate weighing 2.691g was heated to drive off the water. A solid anhydrous residue remained, which weighed 2.259g. Calculate the per cent water in the hydrate. If the anhydrous residue has a formula weight of 282.

Reference no: EM13330992

Questions Cloud

Explain water are present in one mole of anhydrous salts : A solid hydrate weighing 2.691g was heated to drive off the water. A solid anhydrous residue remained, which weighed 2.259g. If the anhydrous residue has a formula weight of 282, How much moles of water are present in one mole of anhydrous salts

Balance sheet of the contractor : A building contractor took a contract for the construction of a certain building on 1st January 1994. The contract price was agreed at Rs 4,00,000. The contractor had made the following expenditure during the year.

Confidence interval for the true average : In a certain region of the country, average radar echo duration of lightning flashes is .61 sec and a standard deviation of .24 sec. Note, that these are population values. Calculate a 95% (two sided) confidence interval for the true average ..

Determine the resistivity of the material : A material is formed into a long rod with a square cross section 0.59 cm on each side. What is the resistivity of the material

Compute the per cent water in the hydrate : A solid hydrate weighing 2.691g was heated to drive off the water. A solid anhydrous residue remained, which weighed 2.259g. Calculate the per cent water in the hydrate. If the anhydrous residue has a formula weight of 282

Does the sample provide sufficient evidence : Does the sample provide sufficient evidence that the mean pH level in the water differs from 8.5? Conduct a test at the ? = .01 level

How much work is done by this force : A variable force of the form F=3x2 + 2x + 5 N acts on a 2 kg object as it moves from x = 2 m to x = 3 m. How much work is done by this force

Explain protic solvents are generally favored : Which of the following statements for E2 reaction is/are correct? a) no rearrangement occurs b) the rate determining step is bimolecular c) the reaction is stepwise d) protic solvents are generally favored

What is the final speed of each cart : Two carts collide in a perfectly elastic collision. Cart A has a mass of 0.5 kg and an initial velocity of 0.19 m/s. What is the final speed of each cart

User Account

All Pages