Under certain conditions, water can be separated into oxygen and hydrogen gases according to the equation 2H2O → 2H2 + O2.%0D%0A%0D%0AIn a lab, 112g of hydrogen gas and 888g of oxygen gas were collected. Student A says that the amount of water to start cannot be determined, but Student B says that the water must have been 1000g. Who is correct?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0ANeither are correct. It was 2000g because the equation shows 2H2O.%0D%0ANeither are correct. It was 2000g because the equation shows 2H 2 O.%0D%0A%0D%0AStudent A, because the water was not measured to start with.%0D%0AStudent A, because the water was not measured to start with.%0D%0A%0D%0ANeither are correct. It would have been 1112g, because there are 2 H2 to 1 O2.%0D%0ANeither are correct. It would have been 1112g, because there are 2 H 2 to 1 O 2 .%0D%0A%0D%0AStudent B, because of the law of conservation of matter.

Question

Under certain conditions, water can be separated into oxygen and hydrogen gases according to the equation 2H2O → 2H2 + O2.%0D%0A%0D%0AIn a lab, 112g of hydrogen gas and 888g of oxygen gas were collected. Student A says that the amount of water to start cannot be determined, but Student B says that the water must have been 1000g. Who is correct?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0ANeither are correct. It was 2000g because the equation shows 2H2O.%0D%0ANeither are correct. It was 2000g because the equation shows 2H 2 O.%0D%0A%0D%0AStudent A, because the water was not measured to start with.%0D%0AStudent A, because the water was not measured to start with.%0D%0A%0D%0ANeither are correct. It would have been 1112g, because there are 2 H2 to 1 O2.%0D%0ANeither are correct. It would have been 1112g, because there are 2 H 2 to 1 O 2 .%0D%0A%0D%0AStudent B, because of the law of conservation of matter.

Answer 1