Atank contains 1000 l of a solution consisting of 100 kg of salt dissolved in water. pure water is pumped into the tank at a rate of 5 l/s, and the mixture (kept uniform by stirring) is pumped out at the same rate. how long will it be until only 10 kg of salt remains in the tank?

i had this on my unit activity, i can you if you are a plato student. are you a plato student?

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.