1. Entry Task: Feb 22 nd Friday Entry Task Question: Write the question down Calculate the % H 2 O in the compound NiCl 2 6 H 2 O. Provide answer TURN IN ENTRY TASK SHEET!!!

2. Agenda: Sign off Discuss Ch. 11 Review sheet I can…. (see calendar) STUDY for the Proof of Understanding

20. Describe how to use a mole in chemistry – Relate a mole to common counting units. – Convert moles to numbers of representative particles and particles to moles. I can…

21. Convert Particles  Moles  Grams – Relate the mass of an atom to the mass of a mole of atoms. – Calculate the number of moles in a given mass of an element and the mass of a given number of moles of an element. – Calculate the number of moles of an element when given the number of atoms of the element. – Calculate the number of atoms of an element when given the number of moles of the element. I can…

22. Provide the molar mass of a given substance – Recognize the mole relationships shown by chemical formula – Calculate the molar mass of a compound. – Calculate the number of moles of a compound from a given mass of a compound for a given number of moles of the compound. – Determine the number of atoms or ions in a mass of a compound. I can…

23. Provide the % composition of a substance – Explain what is meant by the percent composition of a compound. I can…

24. Determine the Empirical formula & Molecular formula with data collected in an experiment – Determine the empirical and molecular formula for a compound from mass percent and actual mass data. I can…

25. Determine the hydrate formula with data collected in an experiment – Determine the hydrate formula for a compound from mass percent and actual mass data. I can…