Chemistry, 16.10.2020 17:01 airiyannag0113

How many grams of NaCl are contained in 0.50 L of a 1.20 M solution? 35.06 g NaCl
122.7 g NaCl
173.6 g NaCl

Answers

Answer from: Nitziaruiz1

35.06 g NaCl

Explanation:

mol = 0.5 L * 1.2 M

Na mass = 22.99 g

Cl mass = 35.45 g

0.6 mol * (22.99 g + 35.45 g)/1 mol = 35.06 g NaCl

Answer from: Quest

a: 45.9 meters

b: 4.29 seconds

step-by-step explanation:

a: h(t)=1/2(-9.8)(3)^2+0(3)+90

h(t)=-4.9(3)^2+90

h(t)=-44.1+90

h(t)=45.9 meters

b: 0=1/2(-9.8)(t^2)+0t+90

0=-4.9t^2+90

-90=-4.9t^2

18.37=t^2

t=4.29 seconds

in the second question, the numbers aren't exact, but they're a close approximation.

Answer from: Quest

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'

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How many grams of NaCl are contained in 0.50 L of a 1.20 M solution? 35.06 g NaCl
122.7 g NaC...