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Mole Calculation Practice Worksheet. 2) How many grams are in 4.500 moles of Li2O? 3) How many molecules are in 23.0 moles of oxygen? 4) How many moles are in 3.4 x 1023 molecules of H2SO4? 5) How many molecules are in 25.0 grams of NH3?
Show your work, including proper units, to earn full credit. 1. Silver and nitric acid react according to the following balanced equation: 3 Ag(s) + 4 HNO 3 (aq) 3 AgNO 3 (aq) + 2 H 2 O(l) + NO(g) A. How many moles of silver are needed to react with 40 moles of nitric acid? B.
2NO (g) + O2 (g) 2NO2 (g) 0.00568 grams NH3. 6.50 moles O2 grams SiCl4. grams NH3. moles HCN. grams (NH4)2SO4. ol. NO27) Yields of Chemical Reactions/Limiting React. tsa. MnO2 reacts with HCl to produce MnCl2. Cl2, and H2O. Write a balanced equation for this reaction. If 0.86 moles of MnO2 and.
a. What is the molecular weight of methanol (CH3OH)? b. How many moles are there in 5.0 g of methanol? 2. How much would 0.50 moles of CO2 weigh? 3. a. Calculate the Mr of a compound if 3.0 moles of it weighed 54 g. b. What do you think this compound might be? 4. How many moles of CuCO3 would weigh 9.0 g? 5. a.
LESSON 1: Moles and Molar Mass. Objective: Calculate Molar Mass (gram formula mass) Fill in the table below. Calculate the GRAM formula mass (molar mass) and don’t forget the UNITS!!! CO2.
Mole Calculation Practice Worksheet. Answer the following questions: 1) How many moles are in 25 grams of water? 2) How many grams are in 4.5 moles of Li2O? 3) How many molecules are in 23 moles of oxygen? 4) How many moles are in 3.4 x 1023 molecules of H2SO4? 5) How many molecules are in 25 grams of NH3?
1 Recall how to use simple mole calculations to calculate masses, moles, or relative. formula masses. 2 Practice rearranging equations. 3 Develop confidence in decoding complex word problems. Introduction. Mole calculations are an important tool for many kinds of people working in the sciences.
