3 years ago

If I have a chemical with a 9 on the pH scale, is it safe to handle with the same gloves as I’ve handled fire with??

1 answer:

7 0

Yes, I believe so, because if you are handling fire you have protective gloves on and you need protective gloves while handling bases because most of them are really bad for your skin.

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Plz help :(

ziro4ka [17]

<h2>Answer:0.5 moles,1 mole</h2>

Explanation:

$Sr(NO_{3})_{2}$ is readily soluble in water.

$Sr(NO_{3})_{2}$ dissolves in water to give $Sr^{2+}$ ions and $NO_{3}^{-}$ ions.

The reaction is

$Sr(NO_{3})_{2}$ → $Sr^{2+}$ $+2NO_{3}^{-}$

So, $1$ mole of $Sr(NO_{3})_{2}$ gives $1$ mole of $Sr^{2+}$ and $2$ moles of $NO_{3}^{-}$ .

So, $0.5$ moles of $Sr(NO_{3})_{2}$ gives $0.5$ moles of $Sr^{2+}$ and $1$ mole of $NO_{3}^{-}$ .

5 0

3 years ago

What is the formula for the compound formed by calcium ions and chloride ions? (1) CaCl (2) CaCl2 (3) CaCl3 (4) Ca2Cl

amid [387]

I think it would be c

6 0

3 years ago

2) which statement describes ionic bonding?

garik1379 [7]

Answer

odpowiedzi d

Explanation

taka jest reguła

7 0

3 years ago

Predict whether each substance will dissolve in water.

nydimaria [60]

Answer:

Dissolves in water

Explanation:

4 0

3 years ago

Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions:

cupoosta [38]

MgO
MgI2
PbO2
PbI4

These are the possible compounds

4 0

3 years ago

Read 2 more answers