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A few questions...how many grams

Could someone please check my answers/work for the following questions.EQUATION: 3H2+N2 -->2NH3 1) How many grams of NH3 can be
1. 3 answers
2. asked by Sarene
3. 2,224 views
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1. 1 answer
2. 79 views
A scientist heats 30 grams of calcium carbonate ( CaCO3) in the chemical reaction shown. What is the total mass of the products?
1. 1 answer
2. asked by hi
3. 82 views
A scientist heats 30 grams of calcium carbonate ( CaCO3 ) in the chemical reaction shown. What is the total mass of the
1. 1 answer
2. 135 views
A scientist heats 30 grams of calcium carbonate ( CaCO3CaCO 3 ) in the chemical reaction shown. What is the total mass of the
1. 1 answer
2. 105 views
CaCO3→CO2+CaO A scientist heats 30 grams of calcium carbonate ( CaCO3 ) in the chemical reaction shown. What is the total
1. 7 answers
2. asked by g
3. 91 views
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1. 1 answer
2. asked by SS
3. 101 views
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1. 9 answers
2. asked by anoy
3. 337 views
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1. 1 answer
2. 71 views
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1. 1 answer
2. 57 views