And explain how to get the answer! 1. given the equation: 2na+cl2--> 2nacl if 200 grams of naci is produced, how many grams of na must be reacted with excess chlorine? a. 58.43g nab. 78.65g nac. 22.98g nad. 3.4g na2. given the equation: 2k+2h2o--> 2koh+h2 if 23.5 grams of potassium are reacted with excess water, how many grams of potassium hydroxide will be formed? a. 33.7g kohb. 56.08g kohc. 39.09g kohd. 17.99g koh

Answer 1: The correct answer is option (B)

Answer 2: The correct answer is option (B)

Explanation 1:

moles of NaCl =

According to reaction, 2 moles NaCl are obtained from 2 moles of Na, then 3.4188 moles of NaCl are obtained from: moles of Na.

Mass of Na = moles of sodium × Molar mass of sodium

From the given option nearest answer to calculated answer is option (B) that is 78.65 g.

Explanation 2:

moles of potassium(K)=

According to reaction, 2 moles of K gives 2 moles of KOH , then 0.6025 moles of K will give : of KOH

Mass of KOH = moles of KOH × Molar mass of KOH

From the given option nearest answer to calculated answer is option (A) that 33.7 g.

-be a crystalline solid

- be soluble in water

-conduct electricity

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