Chemistry, 12.03.2021 04:30 heavendl13
This chemical equation represents a chemical equation.
2HNO3 + Na2SO3 β 2NaNO3 + H2O + SO2
Which chemical is a reactant in the reaction?
a. H2O
b. Na2SO3
c. SO2
d. NaNO3
Answers: 3
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What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?
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An unknown substance is a white solid at room temperature and has a melting point of 78 Β°c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
Answers: 2
This chemical equation represents a chemical equation.
2HNO3 + Na2SO3 β 2NaNO3 + H2O + SO2
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