Chemistry

Chemistry, 24.07.2019 14:00, 4804102262

When a current is passed through a solution of salt water, sodium chloride decomposes according to the following reaction: 2nacl + 2h2o → 2naoh + cl2 + h2. using the periodic table, what are the molecular masses of the starting and ending substances? nacl = g/mole a 58.44 b 35.45 c 22.9 cl2 = g/mole a 35.45 b 70.90

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Chemistry, 30.06.2019 06:30, kyledsmith18

Match the reaction on the right with the corresponding reaction on the left by writing the correct, matching number in the space provided. solid sodium + chlorine gas → solid sodium chloride solid sodium + liquid water → aqueous sodium hydroxide + hydrogen gas 2h2(g) + o2(g) → 2h2o(g) 2h2o2(aq) → o2(g) + 2h2o(l) 1) aqueous hydrogen peroxide → oxygen gas + liquid water 2) 2na(s) + cl2(g) → 2nacl(s) 3) hydrogen gas + oxygen gas → water gas 4) 2na(s) + 2h2o(l) → 2naoh(aq) + h2(g)

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Chemistry, 24.07.2019 14:00, alyssarenae1215

When a current is passed through a solution of salt water, sodium chloride decomposes according to the following reaction: 2nacl + 2h2o → 2naoh + cl2 + h2 what is the chemical symbol for the starting substance? a nacl b h2o c cl2 d naoh what is the chemical symbol for the ending substance? a h2o b naoh c cl2 d nacl

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Chemistry, 12.10.2019 17:30, MQV2000

Use the problem below to answer the question: when a current is passed through a solution of salt water, sodium chloride decomposes according to the following reaction: 2nacl + 2h2o → 2naoh + cl2 + h2. how many grams of chlorine gas, cl2, are given off if 7.5 grams of sodium chloride, nacl, are decomposed? the molecular mass of nacl is 58.44 g/mole. the molecular mass of cl2 is 70.90 g/mole.

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