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A scientist makes 12,000 cm^3 of a salt solution of concentration 9 g/L. You are given: 1 litre = 1 dm^3, where 1 dm = 10 cm.How much salt has he added?

108 g

JN
Answered by julian n. UCAT tutor
1167 Views

Describe the process of positive phototropism

Uneven distribution of the hormone auxin in a root tip whereby the plant hormone diffuses in the opposite direction from a source of light. This will trigger the differential growth and elongation of the ...

JJ
Answered by Jack J. Biology tutor
3656 Views

What's the difference between Bronsted-Lowry acids and Lewis acids?

A Bronsted-Lowry acid is a proton donor. (Bronsted-Lowry acids and bases only involve protons or H+)A Lewis acid is an electron pair acceptor. (Lewis acids and bases involve the transfer of electrons, a b...

Answered by Chemistry tutor
2348 Views

Calculated the Relative Molecular Mass of calcium (II) chloride using the periodic table.

Calcium (II) has a charge of 2+ and each chloride has a -1 charge giving a formula of CaCl2 when balancing the charges out. Ca (Relative Atomic Mass) = 40.08 and Cl (Relative Atomic Mass) = 35.45So Relati...

GL
Answered by Gabriel L. Chemistry tutor
7965 Views

Source A opposes Germany. How do you know?

We know source A opposes Germany as the nation is depicted as a criminal in the cartoon. As the victors of the First World War, the allies clearly viewed Germany as a criminal and themselves to be the bri...

HN
Answered by Hugo N. History tutor
3760 Views

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