Assignments

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
27	28 How many atoms are there in the compound MgCO3? 11:59 PM	1 polyatomic ion 11:59 PM Which is the correct formula for: three hydrogen (H) one sulfur (S) four oxygen (O) 11:59 PM	2	3	4	5
6	7 Bonding project 11:59 PM	8	9 How many atoms are there TOTAL in: H2SO4 3:05 PM Calculate the molar masses of each of the following compounds. Show your work and always include units. 1. Ca3P2 2. Ca(OH) 2 3. Na2SO4 11:59 PM	10 What is the molar mass of sodium (Na)? answer choices 11:59 PM Calculate the molar masses of each of the following compounds. Show your work and always include units. 4. CaSO4 5. (NH4) 2SO4 6. Zn3(PO4) 2 7. Mg(NO3) 2 8. KCl 11:59 PM	11 Calculate the percentage composition of each of the following compounds. Show your work and always include units. 1. Ca3P2 mass % of Ca 2. Ca(OH) 2 mass % of H 3. Na2SO4 Mass % of S 11:59 PM What is the molar mass of table salt (NaCl)? answer choices 3:05 PM	12
13	14	15	16 Calculate percentage composition of each of the following compounds. Show your work and always include units. 4. CaSO4 mass % of Ca 5. (NH4) 2SO4 mass % of N and H 6. Zn3(PO4) 2 mass % of Zn and P 7. Mg(NO3) 2 mass % of Mg 8. KCl mass % of K 9. Li Cl Mass % of Li 11:59 PM	17	18	19
20	21	22 chemical reaction 11:59 PM basic chemical reaction 11:59 PM	23	24 Provides evidence that a chemical reaction has occurred. 3:05 PM	25 Law of conservation of matter 11:59 PM What does the Law of Conservation of Mass state? answer choices 11:59 PM basics of chemical reaction 10:55 AM	26
27 https://www.innerorbit.com/schools/students/?qid=14865 11:59 PM	28 a substance that is formed as the result of a chemical reaction answer choices 3:05 PM classwork balancing equation 10:55 AM	29 What is the number before a chemical formula called? Example: 2H2 + O2 ---> 2H2O answer choices 3:05 PM	30 Balance this equation: H2 + Cl2 ---> HCl answer choices 3:05 PM	31 balancing chemical equation 11:59 PM chapter test 11 AM	1 How many HCl molecules do you need to balance this equation? Mg + __HCl ---> MgCl2 + H2 answer choices 11:59 PM	2