Here is the Quiz from last Friday if you missed it...please turn - TopicsExpress

Here is the Quiz from last Friday if you missed it...please turn it in this Wednesday morning to Mr. Daniel Estay Introductory Chemistry Quiz #13 October 10, 2014 Name Instructions: Please read all the questions through before you answer them and if you have a question please raise your hand and I will attend to your question. Again all these question were taken from Chapter 5 & 6.1-6.4. (Al amu is 26.98) (H amu is 1.01) (O amu is 16) What is the numerical expression of the Mole? _____________________________ List any 5 of the 22 Polyatomic ions you have started to memorize from table 5.3. How many atoms are there in an aluminum can with a mass of 16.2 g? Calculate the mass in grams of 2.5mol of water. Name the compound. CCl4 HNO3 How many atoms are in each formula? MgF2 H3PO4 Ca(HCO3)2 Write a formula for the compound that forms from each pair of elements. sodium & sulfer aluminum & sulfer Calculate the formula mass of H3PO4 Write a chemical formula for the compound containing on carbon atom for every four bromine atoms? 45L is how many deciliters?

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