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Part A: Given mass of NaCl * 1mol of NaCl/molar mass of NaCl = # of moles
17.45 g NaCl * 1 mole of NaCl /58.44 g NaCl = 0<em>.298 moles of NaCl</em>
Part B: First, let’s start with sodium, Na. To find the given mass of sodium, divide the given mass of NaCl (17.45)/the molar mass of NaCl(58.44) and multiply that by the molar mass of Na(22.99) to get the given mass of Na.
Given mass of Na * 1mol of Na/molar mass of Na= # of moles of Na.
6.864* 1mol Na/22.99 g Na=0.298 moles of sodium.
Repeat the above steps with chlorine.
Given mass of Na or Cl*1mol of Cl/molar mass of Cl = # of moles Cl.
10.58* 1mol Cl/ 35.45 g of Cl= <em>0.298 moles of chlorine.</em>
I wish you well on the rest and let me know of you need any more help by messaging me on Brainly.
Good Luck :)
Btw sry for answering so late.
To always try and never give up
Answer:
The temperature changes. Think of taking a cup of ice out by the pool in on a hot summer day. The ice begins to melt. The sun was changing its previous temperature. If it stayed the same, the now puddle of water would remain ice.