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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?
0.0643 grams of H 2 O is equal to 0.00357 moles, which is 2.15 x 10 21 molecules. How many moles of Au is equal to 4.77 x 10 27 Au atoms? Answer. 7920 moles
1. 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 6: Mole to Mole Ratios 16 Use the formula below to answer questions 1- 4 3Cu + 8HNO 3 3Cu(NO 3) 2 + 2NO + 4H 2 O 1. What is the mole ratio of copper to nitrogen monoxide in this reaction? 2. If 1.50 moles of copper are used, how many moles of NO are produced? 3. If 4.50 moles of HNO 3 are used, how many moles of copper (II) nitrate are ...
Using moles to balance equations. Q9: Using this equation and the following information, balance the following equation. 1248g of barium chloride reacts with 684g of aluminium sulphate, forming 1398g of barium sulphate and 534g of aluminium chloride. Balance the equation below.
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?
AP Chemistry - Problem Drill 07: The Mole Question No. 1 of 10 Instructions: (1) Read the problem and answer choices carefully (2) Work the problems on paper as needed (3) Pick the answer (4) Go back to review the core concept tutorial as needed. Question 1. How many moles are equal to 2.85 × 1026 molecules? (A) 0.00211 mole (B) 473 mole
