2 years ago

Calculate the morality of a 35.4% (by mass) aqueous solution of phosphoric acid (H3PO4). Molar mass of H3PO4 is 98.00g/mol

Chemistry

1 answer:

Butoxors [25]2 years ago

3 0

Answer:

no idea with the answer pls check with otherr

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NaOH has a molarity of 2.5 M and a volume of 4 Liters, how many moles are in<br> the solution?

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Answer:

10. mol NaOH

Explanation:

2.5 M = 2.5 mol/L

2.5 mol/L * 4 L = 10. mol

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2 years ago

If the internal energy of a system increases but there is no change in temperature, then the system's energy is increasing.

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3 years ago

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For a different reaction, the plot of the reciprocal of concentration versus time in seconds was linear with a slope of 0.056 M-

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Answer:

$C_t=0.165M$

Explanation:

From the question we are told that:

Slope $K=0.056 M-1 s -1$

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Time $t=100$

Generally the equation for Raw law is mathematically given by

$\frac{1}{C}_t=kt+\frac{1}{C}_0$

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$C_t=0.165M$

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3 years ago

If 13.8 moles of carbon (c), with a density of 2.26 g/ml, are needed for a chemical reaction, how many milliliters of carbon are

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13.8 moles of carbon = 12 g/mol*13.8 or 165.6 grams

165.6 grams/ 2.26 g/mL = 73.27434 or 73.3 mL

I hope this helps!!!!

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3 years ago

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