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wlad13 [49]
3 years ago
6

List four ways you can avoid injury while using HCl and three steps you would take in case of an accidental exposure to HCl need

the answer asap
Chemistry
2 answers:
Lisa [10]3 years ago
7 0
Wear a chemical-resistant apron, chemical-resistant gloves and chemical splash goggles at all times when handling HCl to protect your eyes and skin. Concentrated hydrochloric acid is toxic if inhaled, so avoid breathing it in and always handle it while under a fume hood.
olga_2 [115]3 years ago
7 0

Answer:  

Explanation: Four ways you can avoid injury while using HCl -

a) It's concentrated form is highly toxic so better use in the experiment hood.

b) Don't inhale its fumes.

c) Use lab coat while performing experiments.

d) Protect your eyes by wearing eye glare.

Three steps you would take in case of an accidental exposure to HCl -

a) Inform the lab assistant and teachers regarding the mishap.

b) Don't try to use any kind of ointment or medicated thing on the affected area without any medical advice.

c) You can use sodium bicarbonate to neutralize it.

You might be interested in
How many grams of NaOH are produced from 20.0 grams of Na2CO3?
natita [175]

Answer:

Hope this helps!

Explanation:

Ans: 15.1 grams

Given reaction:

Na2CO3 + Ca(OH)2 → 2NaOH + CaCO3

Mass of Na2CO3 = 20.0 g

Molar mass of Na2CO3 = 105.985 g/mol

# moles of Na2CO3 = 20/105.985 = 0.1887 moles

Based on the reaction stoichiometry: 1 mole of Na2CO3 produces 2 moles of NaOH

# moles of NaOH produced = 0.1887*2 = 0.3774 moles

Molar mass of NaOH = 22.989 + 15.999 + 1.008 = 39.996 g/mol

Mass of NaOH produced = 0.3774*39.996 = 15.09 grams

4 0
3 years ago
HALP PLZ 50 points brainlest and thanks if u halp
Novay_Z [31]
I Would Say The Answer Is C.
8 0
3 years ago
Read 2 more answers
Determine the number of atoms in 41.0 grams of calcium, Ca. (The mass of one mole of calcium is 40.08 g.)
Dovator [93]

Hi there!

Let me know if you have questions about my answer:

6.15 × 10²⁴

Explanation:

To find the number of atoms, divide the mass of calcium (m) by its molar mass (MM). This will give you the number of moles of calcium (n).

n = m/MM            Start with a formula

=\frac{41.0g}{40.08g/mol}             Substitute values from the question

= \frac{41.0g*1mol}{40.08g}             Simplify

= \frac{41.0mol}{40.08}                 Cancel out the units "g"

= 1.022...mol          Number of moles of calcium, with 4 significant figures

Then, multiply the number of moles of calcium (n) by Avogadro's number (N_{A}) to find the number of calcium atoms.

Number.of.Ca=n*N_{A}      Start with a formula

= 1.022mol*\frac{6.022*10^{23}Ca}{1mol}      Substitute values from the question

= \frac{1.022mol*6.022*10^{23}Ca}{1mol}           Simplify

= 1.022*(6.022*10^{23}Ca)     Cancel out the units "mol"

= 6.154*10^{24} Ca                   Multiply, leave one extra digit to help round. "4" tells you to round down.

= 6.15*10^{24} Ca                     Final answer to 3 significant figures*

*When multiplying and dividing numbers, your final answer will have the same number of significant figures as the number with the least number of significant figures in the question.

40.08 has 4 significant figures. 41.0 has 3 significant figures. So, you want 3 significant figures in your final answer.

I hope this helps!

Learn more about Avogadro's number here:

brainly.com/question/1445383

Check out another answer that uses significant figures:

brainly.com/question/3721164

7 0
3 years ago
What liquid is the most vicious ?
Dmitry [639]
Viscosity is basically how thick a liquid is so pancake syrup would be the answer
6 0
3 years ago
if we react 117 grams of sodium chloride with 340 grams of silver nitrate in a complete reaction what will be the mass, in grams
gavmur [86]

y’all i have this same question someone please help

3 0
3 years ago
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