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Inessa [10]
2 years ago
15

What color do acids turn litmus paper?

Chemistry
2 answers:
Ivanshal [37]2 years ago
8 0

Answer:

red

Explanation:

........pls brainliest

Klio2033 [76]2 years ago
7 0

Answer:

Acids turn litmus paper red.

Explanation:

When exposed to solutions under a pH of 7, it turns red because the solution is acidic. When exposed to a solution that has a higher pH of 7 or above, the solution is alkaline, and it turns litmus paper blue. If the solution is neutral,

( pH of 7 )   then the litmus paper will turn purple.

What you are looking for is ACID so the litmus paper will turn RED.

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___Li+ __Br, - _LiBr,
brilliants [131]

Answer:

lithium bromide... LiBr

4 0
2 years ago
Determine the mass of 5.2 x 10 power of 21 molecules of propanol C3H7OH(l), on grams.
Alja [10]

n(\text{C}_3\text{H}_7\text{OH}) = N(\text{C}_3\text{H}_7\text{OH}) / N_A\\ \phantom{n(\text{C}_3\text{H}_7\text{OH})} = 5.2 \times 10^{21} / (6.02 \times 10^{23})\\ \phantom{n(\text{C}_3\text{H}_7\text{OH})} = 8.6 \times 10^{-3} \; \text{mol}

where N_A = 6.02 \times 10^{23}\; \text{mol}^{-1} the Avogadro's constant that relates the number of particles to their number, in the unit moles \text{mol}.

The molar mass of propanol- mass per mole propanol- can be directly deduced from its molecular formula with reference to a modern periodic table.

M(\text{C}_3\text{H}_7\text{OH}) = \underbrace{3 \times 12.01}_{\text{carbon}} + \underbrace{8 \times 1.008}_{\text{hydrogen}} + \underbrace{1\times 16.00}_{\text{oxygen}} = 60.09 \; \text{g} \cdot \text{mol}^{-1}

8.6 \times 10^{-3} \; \text{mol} of propanol molecules would thus have a mass of 8.6 \times 10^{-3} \; \text{mol} \times 60.09 \; \text{g} \cdot \text{mol}^{-1} = 0.52 \; \text{g}

5 0
3 years ago
How many atoms of chlorine in 13 g of mgcl2
pishuonlain [190]

Answer:

If there are 2 chlorine atoms per molecule then I think that the answer is 26 chlorine atoms.

8 0
3 years ago
Read 2 more answers
Which of the following is represented by the number of significant figures in a quantity? A) estimation B) precision C) accuracy
enyata [817]

Answer: the answer is B estimation

Explanation:

i just took a test

4 0
3 years ago
If a gas is initially at a pressure of nine ATM and a volume at 21 L at a temperature of 253K and the pressure is raise to 15 AT
Tom [10]

Answer:

15.0L

Explanation:

p/v = constan

(9*21)/253 =(15v)/ 302

v = (9*21*302)/(15*253)

v=15.0

3 0
3 years ago
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