Question

(pfvr é uma questão de prova )

1- In the table below, the mass percentage of the solute of some products is informed. Considering that the solutions are exclusively formed by the predominant solute and that their densities are 1.0 g/mL. A student tested the information on the labels and found: 1) 9 g of NaCl in 1000 ml of saline. II) 50 g of C2H402 in 500 ml of vinegar III) 1 mol of H2O2 in 1000 ml of hydrogen peroxide. IV) 10 g of NaClO in 500 mL of bleach. The products that actually correctly informed their customers were: * a) Bleach and hydrogen peroxide b) Vinegar and bleach c) Vinegar and hydrogen peroxide d) Saline and vinegar​

Answer 1

Resposta:

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