Question: Solve Date 10 - 20 PRE-LAB ASSIGNMENT: space 1 . Calculate the molar mass of NazCO3. Na autumnic tt 2X23.00 = 46 1X 1201 =

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Date 10 - 20 PRE-LAB ASSIGNMENT: space 1 . Calculate the molar mass of NazCO3. Na autumnic tt 2X23.00 = 46 1X 1201 = 1201 = /106.01 g/mol 3 3 x 16. 00 418 nter 2. If you have 1.00 grams of NazCO3, how many moles of NazCO3 is that? grams miles of loog Shit Fn moles molarmass 20 - = 0 60943 mol Naa ( 03 106. 01 g/mal 1 1.008 of Nay (03 is 9. 4 3 *10 3. If 1.00 gram of NazCO3 reacted with HCI(aq), according to reaction 1 in Part A, how many moles of mob s NaCl would be produced? Balanced At Na 2603 +2Hel - 72N acl+ (02+ H20 C Ration - I make Naa (63: 2 mc6 s Nall moles Nacl = 0.00 91413 mol Nar Co3. X 2 mel Nacl miles Nacl = 0. 01 EEG mal I made Naz los 10. 0189 modes of Nacl produced from loug of 4. Fill in the blanks: Na 2 603 a) thermic reactions release energy. b ) thermic reactions absorb energy. c) In order for a reaction to occur, the reactants must with enough energy to overcome the d) The rate of chemical reactions as the temperature increases. O Page 15 CHEM 10 2025-2026

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