3 years ago

Scientist A dissolved 1.0 kilogram of salt in 3.0 liters of water. Scientist B dissolved 2.0 pounds of salt in 7.0 pints of wate

r. Which scientist made a more concentrated salt solution? Explain.

1 answer:

4 0

$Concentration\ of\ substance=\frac{constituent}{mixture}*100\%\\\\
1.\\
constituent=1kg\\
mixture=1kg+3l=4kg\\\\
Concentration=\frac{1}{4}*100\%=25\%\\\\
2.\\
constituent=2\ pounds=2\ pints\\
mixture=7\ pints\\\\
Concentration=\frac{2}{7}*100\%=28,6\%\\\\
Scientist\ B\ made\ more\ concentrated\ salt\ solution.$

You might be interested in

Please answer it for me or show me how to do it? I will mark you branliast answer !!

klasskru [66]

Answer:

Step-by-step explanation:

If HI and IJ are both the same and meet at the same point, the triangles would be the same.

7 0

4 years ago

Find the measure of <4. { 44 158° { 44 = [?]

VLD [36.1K]

Answer:

<4 = 22

Step-by-step explanation:

<4 = x

x + 158 = 180

x = 22

4 0

3 years ago

PLEASE PLEASE HELP!!!!!

kodGreya [7K]

We need 6.5% to a decimal so..
6.5% /100 = 0.065

$21.30 X 0.065 = 1.3845 tax on the shirt

So.. we add the price of the shirt, and the amount of tax on the shirt
$21.30 + 1.3845 = $22.6845

Answer = $22.68

3 0

3 years ago

Which of the k values are solutions to the following equation? k2 = 0.49

madam [21]

C and D bc +-0.7 is the answer
but because there no answer which contains both i think u should mark E

7 0

3 years ago

Read 2 more answers

What is the maximum, minimum, Midline, amplitude and period of the graph

Basile [38]

Answer:

0,-1 0,-7