Answer:c
Explanation: atoms make matter
Answer:
28.38 ml of H202
Explanation:
<u><em>Given data:</em></u>
the concentration of H2O2 = 3.0 % v/v (3ml / 100 ml of solution of H2O2
the volume of the bottle : 946 ml
<em><u>Formula: </u></em>
Percent by volume: volume of solute/volume of solution×100%
<em><u>Solution:</u></em>
= (3.0 mL/ 100 ml) × 946 mL
= 0.03 x 946 ml
= 28.38ml of H202
Answer:
A 12.630 bar of chocolate contains 8315 milligrams of sugar
Explanation:
From the basics of conversion, we can find that:
1 gram is equal to 1000 mg
Using cross multiplication, we can find how many milligrams are present in 8.315 grams as follows:
1 gram .............> 1000 mg
8.315 grams ....> ?? mg
amount in milligrams = (8.315*1000) / 1 = 8315 milligrams
Hope this helps :)
Hello! Your answer will be C. If you need an explanation let me know!
2nd family
calcium is in the second family
