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If 0.419 g of hydrogen is obtained in this experiment, how many grams of sulfur must...
In a lab experiment, 6.3 g of Mg reacts with sulfur to form 14.6 g of magnesium sulfide. (a) Use the equation below to calculate the percentage by mass of Mg in magnesium sulfide. % X component amount of component x 400 total amount (b) How many grams of sulfur reacted? How do you know? law of constant composition law of conservation of mass law of definite proportions law of multiple proportions Need Help?
In a lab experiment, 6.9 g of Mg reacts with sulfur to form 16.0 g of magnesium sulfide. (a) Use the equation below to calculate the percentage by mass of Mg in magnesium sulfide. % X component = amount of component x.. total amount 4.9 % (b) How many grams of sulfur reacted? 49 How do you know? O law of constant composition O law of definite proportions O law of multiple proportions O law of conservation of mass
In a lab experiment, 8.24 g of phosphorus reacts with bromine to form 72.01 g of phosphorus tribromide. (a) Calculate the percentage by mass of P in phosphorus tribromide. (b) How many grams of bromine reacted? How do you know? law of definite proportions law of multiple proportions law of constant composition law of conservation of mass
ShipPS14 12 E.009 . Ask Your Tes -/5 points My Notes 0/6 Submissions Used In a lab experiment, 5.6 g of Mg reacts with sulfur to form 13.0 g of magnesium sulfide. (a) Use the equation below to calculate the percentage by mass of Mg in magnesium sulfide amount of component X %X component 100% total amount 40 (b) How many grams of sulfur reacted? 40 How do you know? law of conservation of mass law of multiple proportions law...
How many grams of a 5% sulfur ointment must be mixed with 180 grams of 20% sulfur ointment to prepare an 8% sulfur ointment? Answer: [a] g of 5% sulfur ointment (#g) Do not round
1) In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. hydrogen+oxygen⟶water If you burn 55.2 g of hydrogen and produce 494 g of water, how much oxygen reacted? mass of oxygen: __ g 4) A 13.41 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition (definite proportions), how many grams of sodium does a 6.43 g sample of sodium bromide contain? ___ g Na
How many grams of a 2% sulfur ointment must be mixed with 170 grams of 20% sulfur ointment to prepare an 8% sulfur ointment?
How many grams of a 5% sulfur ointment must be mixed with 180 grams of 20% sulfur ointment to prepare an 8% sulfur ointment?
If hydrogen was obtained from ethanol C2H50H how many grams of hydrogen would be obtained from 5.0 kg of ethanol?
Hydrogen sulfide (H2S)reacts with oxygen (O2) to produce sulfur dioxide (SO2) and water. How many grams ofSO2will be produced if 100 g of H2Swas reacted with 100 g ofO2? (restrict your answer to 4 significant figures) Type your response