Chemistry, 11.12.2019 17:31 abdullaketbi71
My notes a sample that contains only manganese(ii) carbonate (mnco3, 114.95 g/mol) and iron(iii) carbonate (fe2(co3)3, 291.73 g/mol) weighs 0.1667 g. when it is dissolved in excess acid, 0.0665 g of carbon dioxide (co2, 44.01 g/mol) is liberated. what percentage, by mass, of manganese(ii) carbonate did the sample contain? assume all the carbon originally present is converted to carbon dioxide.
Answers: 3
Chemistry, 21.06.2019 20:30
This chart represents the melting point of several substance. what besy explains the high melting point of the salt?
Answers: 2
Chemistry, 22.06.2019 03:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 2
Chemistry, 22.06.2019 14:50
Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape
Answers: 1
My notes a sample that contains only manganese(ii) carbonate (mnco3, 114.95 g/mol) and iron(iii) car...
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