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13-05-2019
Chemistry

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Which of the following equations is balanced?
A. Na2SO4(aq) + CaCl2(aq) -> CaSO4(s) + NaCl(aq)
B. Na2SO4(aq) + CaCl2(aq) -> CaSO4(s) + 2NaCl(aq)
C. 2Na2SO4(aq) + CaCl2(aq) -> CaSO4(s) + 2NaCl(aq)
D. Na2SO4(aq) + 2CaCl2(aq) -> CaSO4(s) +NaCl(aq)

Respuesta :

13-05-2019

answer is B

because both sides have equal numbers of atomos

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