# Formula of an unknown hydrate 3rd

Extracts from this document introduction lab experiment 1: investigating the formula of an unknown hydrate ] purpose: to determine the formula of an unknown hydrate using the mass of the hydrate before and after heating to help you. Determining the formula or an unknown hydrate help :) the formula is fes04 x h2o crucible determine the formula for unknown hydrate. Lab investigation 3 - what is the identity of the un- what is the identity of the unknown hydrate the chemical formula of a hydrate can be determined.

Identification of an unknown hydrate of copper (ii) sulfate background: some compounds exist in the hydrated state this means that in the crystal state, there are a certain number of water molecules per formula unit of the compound incorporated into the crystal structure. When referring to an unknown hydrate formula of the hydrate shows the ratio of the moles of anhydrous salt to the moles of water formula of a hydrate lab. Chemical formula detective bellevue college | chem& 161 page 6 of 9 post lab questions 1 a) ask your instructor for the true (correct) formula of the unknown hydrate:. 1 determine the mass percent sulfate and precent water in an unknown metal sulfate hydrate, 2 carry out composition and reaction stoichiometry calculations, 3 identity of the metal in the unknown metal sulfate hydrate, 4 gain experience in gravimetric lab techniques and the use of a crucible 5 determine the formula of the unknown metal.

Summary in this lab, students will design a laboratory procedure in order to ultimately determine the formula of an unknown hydrated salt students must recognize what data points are necessary to collect during the process, as well as how to analyze the data appropriately. Add 1 gram of sample of the unknown hydrate to each of the crucibles and weigh followed by the third formula of the unknown hydrate.

Properties of hydrates purpose: the purpose of this experiment is to determine whether certain compounds are hydrates, and to determine the formula of a hydrate of unknown composition. This video demonstrates finding the formula of a hydrate salt visit for more. Experiment 4: composition of a hydrate 55 determine the empirical formula of an unknown hydrate and the mass of crucible + anhydride (after 3rd.

What is the identity of your hydrated salt objective: (after 3rd heating if identify your unknown hydrate write the formula and the name. Determining the formula of an ionic hydrate an unknown ionic hydrate was heated in order break any bonds between water molecules and the salt’s. Extracts from this document introduction determining the formula of an unknown hydrate data collection table 1 mass of objects and compounds before and after the experiment.

- Determing the formula of a hydrate lab empirical formula of the hydrate you are working with pre-lab questions: 1 what two things make up hydrates 2.
- Experiment 2: hydrate pre ‐ - you may need to heat your test tube a third time if you have not formula of your unknown hydrate:.
- Lab 3 analysis of hydrated sulfate salts unknown hydrate salts and to determine the name and formula of each if the formula of the hydrate is known.

91 dehydration of hydrates – pre-lab questions sample problem for calculating the formula of an unknown hydrate mass crucible + lid + unknown _____ 3rd. This site might help you re: determining the formula of an unknown hydrate please help :) okay so for my chemistry lab, i do not know how to answer some questions based on this lab hydrates are copper (ii) su. Calculate empirical formula when given percent composition data determine the formula of a hydrate that first one can be rendered as two and one-third.

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