a mixture of sodium bicarbonate and sodium carbonate is heated strongly in a crucible for 15 minuites. the respective mass are recorded below. the equation for the decomposition of sodium bicarbonate is 2NaHCO3=Na2CO3+CO2+H2O. determine the mass % of Na2CO3 in the mixture

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i