3 years ago

What is the ph value of water and salt?

1 answer:

4 0

7 - Neutral because water and salt are neutral substances

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Andru [333]

i think its theory but im not to sure

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3 years ago

Alex_Xolod [135]

$\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}$

$\\ \sf\longmapsto No\:of\:moles=\dfrac{6.93}{63.5}$

$\\ \sf\longmapsto No\:of\:moles=0.109\approx 1.11moles$

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2 years ago

denis23 [38]

Answer:

hydrgen = i think it is 4

oxygen = i think it is 3

Explanation:

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lyudmila [28]

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i got it right :) .

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3 years ago

Kaylis [27]

The answer is -1. 2 subtraction signs next to each other for an addition sign

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3 years ago