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krok68 [10]
3 years ago
6

A solution that is 0.16 M in HCHO2 and 0.13 M in NaCHO2. Express your answer using two decimal places.

Chemistry
1 answer:
jolli1 [7]3 years ago
4 0
Lol ok so i really don’t know sorry
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All of the following are properties of molecular compounds except
icang [17]

Answer: the answer is c.

Explanation:

i juss guessed and it was right?

5 0
3 years ago
Una disolución contiene 50 gramos de KOH en 0.25 L de Determine la Molaridad de la disolución
snow_tiger [21]

Answer:

1. 3.56 M.

2. 0.99 M.

Explanation:

¡Hola!

1. En este caso, dado que la molaridad de una solution es calculada por medio de la siguiente ecuación:

M=\frac{n}{V}

Es posible calcular la molaridad de 50 gramos de hidróxido de potasio primero calculando las moles en dicha masa por medio de la masa molar:

n=50.0gKOH*\frac{1molKOH}{56.11gKOH}=0.891molKOH

Luego, dado el volumen de la solución, podemos calcular la molaridad:

M=\frac{0.891mol}{0.25L}=3.56M

2. En este segundo ejercicio, procedemos de la misma manera, pues primero calculamos las moles de nitrato de potasio:

n=75gKNO_3\frac{1molKNO_3}{101.1gKNO_3}=0.742mol

Luego, calculamos la molaridad justo como se hizo anteriormente:

M=\frac{0.742mol}{0.35L} \\\\M=0.99M

Best regards!

3 0
3 years ago
Winds generally flow away from the equator and towards the poles What transfer does this flow of wind Cause ?
Nookie1986 [14]
An energy transfer, with heat energy moving away from the equator
6 0
4 years ago
Read 2 more answers
How much heat energy is produced by 0.5 Wh of electrical energy
n200080 [17]
1 W is equivalent to 1 J/s

So,
0.5 Wh = 0.5 (J/s) (h)

Converting h to s,
0.5 (J/s) (h) (60min/1h) (60s/1min) = 1800J

Thefore,
0.5Wh is 1800J or 1.8kJ of heat energy

6 0
4 years ago
1. The elements in the modern Periodic Table are arranged according to their
Usimov [2.4K]

Answer:

A). Atomic number

Explanation:

THIS IS EASY

4 0
3 years ago
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