How many moles of water are in copper sulfate hydrate?

Asked By: Bernadett Platel | Last Updated: 30th January, 2020
Category: science chemistry
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A mole of CuSO4•5H2O contains 5 moles of water (which corresponds to 90 grams of water) as part of its structure. Therefore, the substance CuSO4•5H2O always consists of 90/250 or 36% water by weight.

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Similarly one may ask, how do you find the moles of water in a hydrate?

Divide the mass of water by the molar mass of water to get moles of water. 2.60 g H2 O / (18.00 g/mol H2 O) = 0.144 moles H2 O. Divide the mass of anhydrate by the molar mass of anhydrate to get moles of anhydrate.

Also Know, what is the formula for copper sulfate hydrate? CuSO4.5H2O

Similarly, how many moles of water are there in one mole of hydrated salt?

Divide the mass of your anhydrous (heated) salt sample by the molar mass of the anhydrous compound to get the number of moles of compound present. In our example, 16 grams / 160 grams per mole = 0.1 moles. Divide the mass of water lost when you heated the salt by the molar mass of water, roughly 18 grams per mole.

Is the dehydration and hydration of CuSO4 5h2o reversible?

The chemical formula of a typical hydrated compound, such as copper(II) sulfate pentahydrate, is written as CuSO45H2O. The dot in the formula indicates that the two compounds are bound together. Upon heating, the water can be evaporated leaving an anhydrous salt. This process is reversible.

39 Related Question Answers Found

How do I calculate moles?

Use the molecular formula to find the molar mass; to obtain the number of moles, divide the mass of compound by the molar mass of the compound expressed in grams.

What is a hydrate formula?

Formula of a Hydrate (Anhydrous Solid⋅xH2O)
In order to determine the formula of the hydrate, [Anhydrous Solid⋅xH2O], the number of moles of water per mole of anhydrous solid (x) will be calculated by dividing the number of moles of water by the number of moles of the anhydrous solid (Equation 2.12.

What is an Anhydrate?

An anhydrate is the substance that remains after the water is removed from a hydrate. When a hydrate is heated the water molecules are driven off as steam, leaving behind the water-free anhydrate. The first step to finding the formula for a hydrate is to record the mass of the hydrate.

What is the mole ratio of salt to water?

Divide the moles of water by the moles of salt to find the ratio. This will allow you to find the mole ratio. Common ratios will range from 1:2 up to 1:10.

What is the difference between a hydrate and an Anhydrate?


A hydrate is a compound that has a specific number of water molecules in its structure. Anhydrate is the name given to the substance that remains after the water is removed from a hydrate.

What is the water of hydration in CuSO4 xh2o?

Its formula is CuSO4 5H2O. The five in front of the formula for water tells us there are 5 water molecules per formula unit of CuSO4 (or 5 moles of water per mole of CuSO4). The water in the formula is referred to as the water of hydration, and the dot indicates that the water is chemically bonded to the CuSO4 salt.

What are hydrates used for?

Examples of hydrates are gypsum (commonly used in the manufacturing of wallboard, cement and plaster of Paris), Borax (used in many cosmetic, cleaning and laundry products) and epsom salt (used as a natural remedy and exfoliant). Hydrates are often used in skin care products to infuse moisture into the body.

How many moles are in 2.00 g of NaCl?

So, one mole of water (6.022 x 10 23 molecules) has a mass of 18.02 g. One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g. Concept 2. The relation between molecular (formula) mass and molar mass.

How many moles are in 25g of NaCl?

For example, if you have mixed 25g of table salt, or NaCl, into 2 liters of water, you first need to determine how many moles are in 25g of NaCl. One mole of NaCl has a mass of approximately 58.5 grams.

How many moles are in 100.0 g water?


How many grams Water in 1 mol? The answer is 18.01528. We assume you are converting between grams Water and mole. You can view more details on each measurement unit: molecular weight of Water or mol The molecular formula for Water is H2O.

How many moles are in h2o?

The average mass of one H2O molecule is 18.02 amu. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.

How many moles are in 15 grams of lithium?

1 Answer. Approx 52 moles.

How many moles are in 5.9 g of NaCl?

We assume you are converting between grams NaCl and mole. You can view more details on each measurement unit: molecular weight of NaCl or mol This compound is also known as Sodium Chloride. The SI base unit for amount of substance is the mole. 1 grams NaCl is equal to 0.017110756386119 mole.

How many moles are in 36 grams of water?


Answer and Explanation:
There are 4 moles of hydrogen atoms in 36 grams of water, which is choice a.

How many moles are in 2.35 g of h2o?

Mole Conversions
Question Answer
What is the mass of cyclohexanol, C6H11OH? 100g
How many moles are in 2.35g of H2O? 0.13moles
If we have 0.072mol of FeCl3 then how many grams are there? 11.7g
If there are 9.6x10^15 particles of sugar in a solution, then how many moles of sugar are there? 1.59x10^-8 moles

What happens when you add water to copper sulfate?

The reaction between anhydrous copper(II) sulfate and water is used as a test for water. The backward reaction is exothermic - energy is transferred to the surroundings when it happens. This is easily observed. When water is added to anhydrous copper sulfate, enough heat is released to make the water bubble and boil.