Chemistry
Chemistry, 29.06.2019 01:00, AnimePo2020

A520-gram sample of seawater contains 0.317 moles of nacl. what is the percent composition of nacl in the water?

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Chemistry, 24.06.2019 19:30, bryanmcmillianjr
30 points calculate the number of moles of each element (number of moles of na & number of moles of cl) in nacl in the sample. (use your answer from part a as your starting point.) show your work. known: -17.44g (nacl sample) -molar mass = 58.44 (both) 17.44g nacl * 1 mol nacl/58.44g nacl = 0.298 (mol of nacl)
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Chemistry, 26.06.2019 19:50, romanbattistelli23
Urgent 25 amanda was asked to make a solution of salt water using 32.0 grams of nacl and 0.75 liter of water. amanda realized that first, she needed to find the number of moles there are in 32 grams of nacl. she set up the following calculation to find the number of moles of nacl. 32.0 g nacl x 1 mole nacl = 0.55 moles of nacl 58.45 g nacl a. did amanda find the number of moles of nacl correctly? if not, explain. b. what does amanda need to do next to calculate the molarity of the nacl solution? show your work for full credit.
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Chemistry, 26.06.2019 21:40, escojo2508
Urgent 25 amanda was asked to make a solution of salt water using 32.0 grams of nacl and 0.75 liter of water. amanda realized that first, she needed to find the number of moles there are in 32 grams of nacl. she set up the following calculation to find the number of moles of nacl. 32.0 g nacl x 1 mole nacl = 0.55 moles of nacl 58.45 g nacl a. did amanda find the number of moles of nacl correctly? if not, explain. b. what does amanda need to do next to calculate the molarity of the nacl solution? show your work for full credit.
Answers: 2
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Chemistry, 11.07.2019 13:30, teed0ll9
A520-gram sample of seawater contains 0.317 moles of nacl. what is the percent composition of nacl in the water? a. 1.1% b. 2.8% c. 3.6% d. 6.1%
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