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AnnZ [28]
3 years ago
10

Sodium hydroxide, NaOHNaOH; sodium phosphate, Na3PO4Na3PO4; and sodium nitrate, NaNO3NaNO3, are all common chemicals used in cle

anser formulation. Rank the compounds in order from largest mass percent of sodium to smallest mass percent of sodium. Rank from largest mass percent to smallest mass percent. To rank items as equivalent, overlap them.
Chemistry
1 answer:
nadya68 [22]3 years ago
4 0

Answer:

NaOH > Na3PO4 > NaNO3

Explanation:

in NaOH

23/40 * 100 = 57.5%

in Na3PO4

3 * 23/164 * 100 = 42%

In NaNO3

23/85 * 100 = 27.1%

Hence;

NaOH > Na3PO4 > NaNO3

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4. An 82 kg hiker climbs Mt. Humphrey near Flagstaff. During a two hour period, the hiker's
bazaltina [42]

Answer:

\Delta E = 434253.96\,J, \Delta P = 60.313\,W

Explanation:

The change in energy is given by the change in gravitational potential energy:

\Delta E = m\cdot g \cdot \Delta h

\Delta E = (82\,kg)\cdot (9.807\,\frac{m}{s^{2}} )\cdot (540\,m)

\Delta E = 434253.96\,J

The average rate of change in terms of time is approximately this:

\Delta P = \frac{\Delta E}{\Delta t}

\Delta P = \frac{434253.96\,J}{(2\,h)\cdot (\frac{3600\,s}{1\,h} )}

\Delta P = 60.313\,W

8 0
3 years ago
ASAP!
Andrei [34K]

Answer:

8.3334%

Explanation:

You have two masses. To find the percent of sodium chloride in water by mass, you divide the mass of NaCl by water. First, make both units the same. Easiest is to convert kg into g. 1.5kg = 1500g

125g NaCl/1500g H2O = 0.0833333333 ==> 8.3334%

5 0
2 years ago
Fr33 points ;p have a good day everyone
Doss [256]

Answer:

thx

Explanation:

have a blessed day can i have brainlyest?

5 0
3 years ago
Can mixture be broken down ?  if yes , how ?
Vinvika [58]
Yes , filtration, evaporation, distillation and chromatography
5 0
3 years ago
A sample of gas is collected in a flask with a volume of 267 mL at a pressure of 771 mmHg and a temperature of 21C. If the mass
nadya68 [22]

Answer:

M=93.5g/mol

Explanation:

I did this in class and it was a review. :)

6 0
2 years ago
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